FE Reviewer

For any proposed bridge site, the topographic and river surveys should be extended from the centerline of the bridge at least
100 to 200 upstream only
100 to 200 downstream only
100 to 200 upstream and downstream
300 m upstream and downstream
What is the simplest type of superstructure of a concrete bridge with a limited span of 8 meters?
Reinforced concrete slab
Concrete plank deck
Girder and slab superstructure
Beam or Plank Bridge
Which of these is not classified as a type of caisson foundation?
Pneumatic foundation
Box caisson
Open caisson
Hydraulic caisson
Which of the following documents is not necessary at the project site?
Bill of quantities
Plans
General specification
Feasibility study
An asphalt cement can be a good bituminous binder material for item
306
308
310
311
The following reasons may cause the granting of contract time extension with the exception of one:
Exceptionally adverse climate conditions
Excusable failure of contractor to provide equipment and man power
Causes beyond the control of contractor
Causes of which government is not directly responsible
What is the allowable variance from the original unit price, so that a contract will be entitled to contract price escalation?
Less than 2 %
Less than 5 %
More than 5 %
Less than 3 %
The government may rescind the contract work if there is:
Delay in the payment of contractors claim for billing
Existing right-of-way problem
Undue delay attributable solely to the contractor
Adverse peace and order conditions
From the time of project was hid to the issuance of notice to proceed, how many calendar days is required for a project to be entitled to contract priced adjustment?
60
90
120
150
Under which of the following conditions must a change order not to be issued?
Where there is a decrease in work due to deletion of work items
Where there is reclassification of item of works
Where the aggregate cost has increased and is limited to 25% of the original cost
Where there is increase in cost in construction materials
Which of the ff. Is not considered a Variation Order?
Change order
Extra work order
Resume order
Supplemental agreement
A project with delays due to reasons beyond the control of the contractor may be granted a time extension if the affected works, as shown in the PERT/CPM diagram, are:
Dummy activities
Critical activities
Non critical activities
Hammock activities
If after fifty (50%) completion, the work is satisfactorily undertaken and on schedule no additional retention should be made otherwise the progress payment should be imposed a retention rate of:
5%
10%
15%
20%
What is the permitted variation from the design thickness of a layer of aggregate base course?
± 20 mm
± 15 mm
± 25 mm
± 10 mm
What is the permitted variation from the design thickness of a layer of aggregate subbase course?
± 20 mm
± 10 mm
± 30 mm
± 15 mm
What is the required area of the trial section needed to check the suitability of the materials and efficiency of the equipment and construction method the contractor will use?
About 500 sq.m.
About 400 sq.m.
About 100 sq.m
About 600 sq.m.
What is the accepted proportion mixture of cement to be added to the soil aggregate (dry soil) in a Portland cement stabilized road mix base course (item 204)?
2 to 10 mass percent
4 to 15 mass percent
3 to 18 mass percent
3 to 12 mass percent
Sub- grade soil is well compacted under the controlled condition of:
Over saturation with water
Optimum moisture content and maximum dry density
Dry soil
Cold weather
The rate of application of seal coat using cutback asphalt is _____.
1.5-3.0 li./sq.m.
2.0-3.0 li./sq.m.
1-2 li/sq.m.
1.5 - 2 li/sq.m
Defective works in a project should be brought to the attention of the contractor by the Project Inspector thru:
Logbook entry
Progress billing deduction
Inspection report
Site instruction
How much percentage is withheld on the general items until the final acceptance of the project?
15%
20%
30%
50%
Which of the following is not a construction safety procedure?
The side of deep excavations must be properly shored
All openings above ground level must be guarded
Operators and mechanics must be required to log in when operating equipment
Workers engaged in clearing must be protected from hazardous plans
Which of the following is not a cause of delay in project implementation?
Revision in plans
Inadequacy of contractor’s resources
Non-availability of construction materials
Rainy month pre-determined in the area
The bar chart is also called a:
Precedence diagram
Gantt chart
CPM diagram
PERT chart
Who assists the Project engineer in the overall direction and supervision of field operations?
Contractor’s engineer
. Resident engineer
Materials engineer
Project inspector
F after fifty (50%) completion, the work is satisfactorily undertaken and on schedule no additional retention should be made otherwise the progress payment should be imposed a retention rate of:
5%
10%
15%
20%
A project with delays due to reasons beyond the control of the contractor may be granted a time extension if the affected works, as shown in the PERT/CPM diagram, are:
Dummy activities
Critical activities
Non-critical activities
Hammock activities
Which of the following is not considered a Variation Order?
Change order
Extra work order
Resume order
Supplemental agreement
A variation order may be in the form of extra work order or change order. What is the maximum allowable percentage of the change order?
10%
15%
5%
20%
Whose engineering judgement will prevail in the overall field implementation of a project?
Project inspector
Resident engineer
Project engineer
Materials engineer
Who supervises the work and test employed in project implementation?
Project inspector
Contractor’s engineer
Materials engineer
Project engineer
What is the single vertical datum to which elevation for all infrastructure projects should be referred to?
Mean sea level
10.47 m below mean sea level
10.00 below mean lower low water
Mean lower low water
What is the required minimum field density for embankment materials?
85%
90%
95%
100%
In the DPWH Standard specifications, what is the item no. embankment?
100
102
104
106
What is item 506 in the DPWH structural specifications?
Structural concrete
Prestressed concrete
Stone masonry
Riprap and grouted riprap
In laying stone components of item 505 (Riprap and Grouted Riprap) each stone should be:
Laid with its longest axis perpendicular to the slope
Pitched to line along the beds and joints
Laid with its face parallel to the faces of the walls
Reasonably uniform with no projection more than 150 mm
What is the minimum cement content (40 kg/bag) per cubic meter of class B concrete?
8 bags
9 bags
10 bags
11 bags
The minimum testing requirement of concrete for item 405 is the compressive strength test on concrete cylinder samples consisting of a set of 3 concrete cylinder samples to represent not more than:
50 m^3 of concrete
75 m^3 of concrete
100 m^3 of concrete
125 m^3 of concrete
Clay can be distinguished from silt by performing:
Sieve analysis test
Hydrometer test
Plastic limit test
Liquid limit test
The Atterberg limit tests are performed on the soil fraction passing sieve no.:
4
16
40
200
How often can progress payment be requested by a contractor?
Once a month
Twice a month
As soon as an item of work is completed
As often as he desires
The process of maintaining sufficient moisture and favourable temperature in concrete is called:
Consolidation
Shrinkage
Curing
Evaporation
Before an asphalt pavement or asphalt surface treatment is placed on a granular base, what liquid asphalt is applied?
Seal coat
Tack coat
Prime coat
Epoxy coat
What formula is used in computing price escalation?
No loss-no gain formula
Economic formula
Parametric formula
Parabolic formula
In an inspection report, aside from the findings, which is the most important item to be included?
Duration of inspection
Members of the inspectorate team
Copy of the memorandum to inspectorate team
Recommendation of the possible actions to be undertaken
After the final inspection of a reported 100 % accomplished project, before a certificate of final inspection is issued, which of the following should be conducted in the field:
Emergency conference
Exit conference
Pre- construction conference
Turn- over ceremony
If a project is started more than 8 months after the bidding, the contractor is entitled to claim for:
Bonus
Additional advance payment
Price adjustment
Extra work order
For reference in the preparation of catch-up plans the following are the prevailing weather conditions in the Philippines with the exception of:
Two pronounced seasons, dry from November to April, wet during the rest of the yea
No dry seasons, with a very pronounced maximum rainfall from Nov. to Jan.
Dry and rainy is equally distributed throughout the year
Rainfall more or less distributed throughout the yea
The catch up schedule reflects:
Financial expenditures
Accomplishment-duration relationship
The advance accomplishment
Preliminary engineering activities
If a contractor continues to disregard agreed project plans and specifications, what recommendation should you prepare?
Contract suspension
Termination of contract
Rescission of contract
Blacklisting of contractor
Excavation of indurated rocks can be undertaken by:
Pick and shovel
Ripper
Road grader
Bulldozer
You are assigned as a new Project Engineer on an almost completed spillway project and you found out per field survey that the spillway elevation is lower by one meter. What should you do?
Accept the project as is
Require the contractor to redo the spillway
Install corresponding ogee
Reprimand the former Project engineer
Which of the following structures is constructed parallel to the flow of the river and serve as protection of riverbank?
Spur dike
Revetment
Mini dam
Groin
Dams are hydraulic structures constructed to:
Increase conveyance capacity of the river
Arrest scouring on meandering river sections
Protect river banks from heavy run0off
Retard flood run off and minimize effect of flash floods
Which of the following complements as regulating flood control structure
Main canal
Weir or control gate
Drainage lateral
Drainage lateral
In embankment works, which of the following is undertaken first?
Clearing and grubbing
Excavation of core trench
As-take survey works
Construction of the impervious fill
Before actual construction of a dam is started, which of the following should be secured first?
Maintenance of access road
Delivery of construction materials
Stripping of ground surface
Installation of safety requirements
If the void ratio of a soil is 1, the porosity (n) is equal to:
10%
20%
30%
50%
Who prepares daily reports on work accomplishment for review of the Project Engineer?
Resident engineer
Material engineer
Project engineer
Contractor engineer
Unless otherwise specified, all materials below subgrade level in earth should be cut to a depth of:
100 mm
150 mm
200 mm
250 mm
Unless otherwise indicated in the plans, mortar for masonry walls should be composed of one part Portland Cement and:
1 part fine aggregates by volume
I inch part fine aggregates by volume
2 parts fine aggregates by volume
2 inches parts fine aggregates by volume
The depth of weakened plane joints on a 23.0 cm thick pavement should not be less than:
45mm
50mm
60mm
75mm
The item no. for Portland Cement Concrete Pavement (PCCP) in the DPWH Standard Specification is:
200
201
310
311
Under item 310, the asphalt content of bituminous mix on the basis of total dry aggregate should between:
4% to 8%
5% to 8%
3% to 5 %
5% to 7%
For purposes of pavement design, the varying axle loads are converted to a common denominator which is in terms of:
5,000 lb (22KN) wheel load
For purposes of pavement design, the varying axle loads are converted to a common denominator which is in terms of:
32,000 lb (142KN) tandem axle load
18,000 lb (80KN) single axle load
Which of the following modifies specific work items relative to increases/decreases in the quantities provided for in the original contract?
Extra Work order
Change order
Resume order
Resume order
An equation where BK (Back) is greater than AH (Ahead) means:
A deductive distance
An addictive distance
No increase in distance
The road length
In identifying project location intended for asphalt pavement, which of the following criteria is not appropriate to recommend?
Drainage facilities is well-maintained
Location is not in a typhoon belt area
Existing base course is stable
Flood-prone road section
If the type of soil in item 200 material is non-plastic, what Atterberg Limit Test can be performed?
Plastic limit
Liquid limit
Shrinkage limit
Both a and b
Measurement of concrete materials for concrete structures shall be b
Volume
Weight
Quantity
Density
If the good and hard soil is available within 2 to 3 m below the bed level of a river, the design will generally require:
Spread foundations
Raft foundations
Pile foundations
Caisson foundations
If the required thickness of item 200 is 300 mm, the material may be spread and compacted in ________ layer (s).
1
2
3
Uniform
What do you call a record or book compiled to contain the data information and history in the implementation of a project from start to completion?
Blue book
History book
Log book
Statement of Work Accomplished SWA
N riprapping, masonry works and concrete slope protection on side slope, revetment, etc., which of the following are provided to serve as water outlet and lateral pressure reliever on the structure?
Cut-off wall
Berm
Weep hole
Gravel filter
What do you call the strengthening of an old existing asphalt or concrete pavement by providing additional adequate thickness over it?
Re-blocking
Sealing
Grouting
Overlaying
Concrete mix not in place within______ minutes from the time ingredients were charged into the mixing drum or has developed initial set, should not be used.
90
45
30
15
The time elapsed from the time water is added to the concrete mix and transported by a truck mixer up to the time said mix is deposited in place at the site should not exceed:
15 mins.
45 mins.
30 mins.
20 mins.
Before placing concrete, the base of a roadway for concreting should be kept in moist condition and saturated with water for at least:
6 hrs
1.5 hrs.
2 hrs.
3 hrs.
To protect Portland cement concrete pavement against rain before it has sufficiently hardened, should be required to have at all times any of the following materials with the exception of
Metal form or wood planks
Burlaps or cotton mats
Plastic sheeting material
Plastic water stops
. In the compaction of sub-base, the compacted dry density of each layer should not be less than what value of the maximum dry density, determined according to the AASHTO method?
95%
96%
98%
100%
The rate of application of emulsified asphalt used as tack coat, should be within the range of:
0.2-0.5 l/m^2
0.2-0.7 l/m^2
0.15-0.7 l/m^2
0.15-0.5 l/m^2
Camber on gravel roads is provided to:
Establish a smooth riding surface
Prevent water from stagnating on the carriageway
Provide boundary line for the two lanes
Plant grass of sodding
Sub-grade soil is well compacted under the controlled condition of
Over saturation with water
Optimum moisture content and maximum dry density
Optimum moisture content and maximum dry density
Old weather
Before an asphalt pavement or asphalt surface treatment is placed on a granular base, what liquid asphalt is applied?
Seal coat
Tack coat
Prime coat
Epoxy coat
Bearings for bridges are designed to provide free movement of girders. Which of the following is not used to allow such movement?
Expansion joints
Rockers
Sliding plates
Rollers
A contractor encountered an equation on the plans. Quite confused, he clarified the term “BK” and “AH” from the Engineer. If you were the Engineer, you would say that:
BK means new survey stationing
AH means old survey stationing corrected
BK means old survey stationing corrected: AH, new survey stationing
Both a and b
In practice, K – Factor is used to convert average annual daily traffic to the 30th highest annual hourly volume (DHV) and is defined as:
DHV/ADT
DDHV/(DXAADT)
V/PHF
L/A
The maximum length of ascending gradient which a loaded truck can operate without undue reduction in speed is called:
Critical length of grade for design
Exceptional gradient
Limiting gradient
Ruling gradient
To find the time flow, it is required to determine the length of channel. This can be done by transforming the drainage area into a rectangle whose two sides are in the proportion of 1:1, 5. The length of the stream is assumed one diagonal of this rectangle plus one-half of the shorter side of the rectangle, which is the:
Square root of the square of width plus half of
Square root of the sum of the squares of longer side and W plus half of W
Square root of the square of the squares of L plus half of W
3.0 W
Profile along the centreline of the river channel should be extended from the centreline of the bridge by at least
100 to 200 upstream only
100 to 200 downstream
100 to 200 upstream and downstream
300 m upstream and downstream
The depth of weekend plane joints should not be less than:
45 mm
50 mm
60 mm
75 mm
Unless otherwise indicated in the plans, mortar for masonry walls should be composed of one part Portland Cement and:
1 part fine aggregates by volume
1 inch part fine aggregates by volume
2 parts fine aggregates by volume
2 inch parts fine aggregates by volume
Unless otherwise specified, all materials below subgrade level in earth should be cut to a depth:
100 mm
150 mm
200 mm
250 mm
Who prepares daily reports on work accomplishments for review of the project engineer?
Resident engineer
Materials engineer
Project engineer
Contractors engineer
Who assists the Project engineer in the overall direction and supervision of field operation?
Contractors engineer
Resident engineer
. Materials engineer
Project inspector
Which of the following is not a field test in road construction?
Density test
Core boring test
California bearing ratio (CBR) test
Dynamic cone penetrometer test
Per program of work, the estimated volume of item 201 materials is 7,500 cubic meter. How many grading and plasticity test are required based on the DPWH minimum testing requirement?
3
25
7
9
Tem 201 materials with CBR value of 75% (which is 5% less than the minimum requirements) can still be used in the design of a concrete pavement provided that the following are considered except one:
Adequate compaction is applied during construction
Increase the thickness requirement of base course
The design is only intended for a barangay road projec
The foundation contains unsuitable materials
Your total approved accomplishment on a project including those to be covered by an extra work is equivalent to 75% BUT ONLY 65% is covered under the approved original contract. Up to what level of progress billing would you allow?
Up to the total 75% accomplishment
Below 75% but more than 65% accomplishment
Up to the documented value not more than 50 %
Up to the documented value not more than 65%
When the grading test results of the three (3) Stockpile are not in accordance with Item 201 requirements, which of the following is economical to recommend?
Replace the three (3) stockpiles with quality Item 201 materials.
Blend the three (3) stockpiles to produce a correct proportion that will meet the specified grading.
Allow the use of the materials provide corresponding deduction in payment will be affected.
Increase the thickness of Item 201.
When the grading test results of the three (3) Stockpile are not in accordance with Item 201 requirements, which of the following is economical to recommend?
Replace the three (3) stockpiles with quality Item 201 materials.
Blend the three (3) stockpiles to produce a correct proportion that will meet the specified grading.
Allow the use of the materials provide corresponding deduction in payment will be affected.
Increase the thickness of Item 201.
The Plasticity Index (PI) required for Item 201, Aggregate Base Course materials, should not be greater than:
8%
12%
6%
9%
If the type of soil in Item 200 material is non- plastic, what Atterberg limit test can be performed?
Plastic limit
Liquid limit
Shrinkage limit
Both a and b
If the required thickness of Item 200 is 300 mm, the material may be spread and compacted in __________ layer(s)
1
2
3
Uniform
For a compacted pavement, what does the stability value in the Marshall Test measure?
Cohesion Resistance
Resistance to Displacement
Diametric Distortions
Skid Resistance
The flexural strength of concrete is considered satisfactory when the average strength of all sets of 3 consecutive strength of all sets of 3 consecutive strength test results equal or exceed the specified strength and when no individual strength test result is deficient by more than:
10% of 550 psi
15% of 550 psi
20% of 550 psi
25% of 550 psi
The maintenance work, under vegetation control, the remaining height grasses and shrubs should be left uncut is:
50mm
100mm
200mm
400mm
Concrete class A mix used and deposited in water for footing constructing shall maintain a slump between:
5 and 10 cm
10 and 20 cm
20 and 30 cm
30 and 40 cm
Concrete should be kept continuously wet by the application of water for a minimum period of how many days after it has been placed?
28
30
14
7
As practically possible, concrete mix should not be placed where this can be subject to manual dropping by not more than___________ and where no other special tools and means are used
3.0 m
2.5 m
2.0 m
1.5 m
What is the required minimum weight of the gravity hammer used in pile driving?
2000kg
1500kg
1800kg
1700kg
What is the maximum allowable variation at the butt end of a pile in any direction from its location shown in the approved plans?
75mm
50mm
40mm
30mm
What is the allowable minimum penetration of piles in firm material?
4.0 m
2.5 m
3.0 m
2.0 m
What should the condition of the tack coat be before the next course is applied?
Wet
Sticky
Plastic
Dry
Concrete mix not place within ______________ minutes from the time ingredients were charged into the mixing drum or has developed initial set, should not be used.
90
45
30
15
What is the minimum allowable/required atmospheric temperature in the application of Item 305 bituminous material?
5 ÂşC
10 ÂşC
12 ÂşC
15 ÂşC
The inside face of a pothole, aside from squaring, must be made vertical before patching using cold or hot mix asphalt in order to:
Ensure bond between the new mix and old surface
Prevent pumping
Minimizing spalling
Prevent faulting
Repainting of steel bridge is an activity under:
Special maintenance
Preventive maintenance
Routine maintenance
Periodic maintenance
What do you call the process of cutting the branches around a tree on the roadside to make them denser and make them denser and grow straight?
Pruning
Grafting
Felling
Budding
The equivalent physical measurement used in the determination of the cost of maintenance of our national roads and bridges and all its facilities is known as:
Lane kilometr
Equivalent maintenance kilometre unit
Equivalent maintenance kilometre
Standard kilometre unit
Which of the following is not classified as a type of Caisson foundation?
Pneumatic foundation
Box caisson
Open caisson
Hydraulic caisson
What is the simplest type of superstructure of a concrete bridge with a limited span of 8 meteres?
Reinforced concrete slab
Concrete plank deck
Girder and slab superstructure
Beam or plank bridge
For any proposed bridge site, the topographic and river surveys should be extended from the centreline of the bridge at least
100 to 200 m upstream only
100 to 200 m downstream only
100 to 200 m upstream and downstream
300 m upstream and downstream
The most common hourly volume count used for roadway design is:
AADT
30th highest hourly volume
Service flow
Highest 15 minute volume
Bearings for bridges are designed to provide free movements of girders. Which of the following is not used to allow such movement?
Expansion joints
Rockers
Sliding plates
Rollers
The maximum value of impact applied to the superstructure of a bridge should be
15.24/(L+38): Where L= portion of the span loaded for maximum
50/(L+125)
30%
50%
Gravity loads usually refer to dead load and live load. Which of the following is not included in this classification?
Weight of all permanent components
Architectural components
Occupants, furnitures, etc.
Wind load
Lateral forces on building frames can be analysed by approximate analytical methods given below with the exception of:
Moment- Distribution Method
Portal Method
Factor Method
Cantilever Method
If a project is started more than 8 months after the bidding, the contractor is entitled to claim for:
Bonus
Additional advance payment
Price adjustment
Extra work order
After the final inspection of a reported 100% accomplished project, before a certificate of final inspection is issued, which of the following should be conducted in the field:
Emergency conference
Exit conference
Pre-construction conference
Turn over ceremony
In an inspection report, aside from the findings, which is the most important item to be included?
Duration of inspection
Members of the inspectorate team
Copy of the memorandum to inspectorate team
Recommendation of possible actions to be undertaken
A logbook contains the following data with the exception of:
Activities done during the day
Materials delivered and used for the day
The days weather condition
Survey data
What formula is used in computing price escalation?
No loss- no gain formula
Economic formula
Parametric formula
Parabolic formula
Where do we base and reckon the computation of contract price escalation of a project that is awarded thru public bidding?
Notice to proceed
Effectivity of the contract
Date of Approval
Date of bidding
Where do we base and reckon the computation of the contract price escalation of a project that is awarded thru simplified bidding?
Notice to proceed
Date of bidding
Approval of the contract
None of the above
Which of the following is not a flood damage mitigation measure?
Reduction of peck flow by reservoirs
Confinement of the flow by levees, floodwalls
Flood plain management
Highway drainage
For curve alignment of an internal open waterways (rectangular channel), the wall height must be at least 0.30 m above the super- elevated water surface for velocities of 10 meter/second or less. This means that if the super- elevated water level is at elevation 44.30 m, the top of the channel wall will be at least at elevation:
44.0m
44.3m
44.6m
44.9m
Since highways cross many natural drainage channels, provision of cross drainage as given below is necessary. The one not falling under cross drainage is:
Culverts
Bridges
Dips
Ditches
Before placing concrete, the base of a roadway for concreting should be kept in moist condition and saturated with water for at least:
6 hrs.
1.5 hrs.
2 hrs.
3 hrs.
What is the most appropriate filling material if you encounter unsuitable roadway foundation?
Fine aggregates
Coarse aggregates
Broken concrete
Granular materials
The time elapsed from the time water is added to the concrete mix and transported by a truck mixer up to the time said mix is deposited in place at the site should not exceed:
60 mins.
45 mins.
30 mins.
90 mins.
What do you call the strengthening of an old existing asphalt or concrete pavement by providing additional adequate thickness over it?
Re-blocking
Sealing
Grouting
Overlaying
Concrete mix not in place __________ minutes from the time ingredients were charged into the mixing drum or has developed initial set, should not be used.
90
45
30
60
Which of the following is not included in the types of bridge foundations?
Spread footing
Caisson
Piles
Bearing shelf
What is the minimum length requirement for the longitudinal reinforcement of the piles that should be embedded in the bridge structure?
30 times the diameter of main reinforcing deformed bars
40 times the diameter of main reinforcing deformed bars
50 times the diameter of main reinforcing deformed bars
20 times the diameter of main reinforcing deformed bars
What do you call the road near or abutting a bridge?
Embankment
Approach
Abutment
Apron
What can be done on corners of concrete hollow block walls where no reinforced concrete column or wall stiffener is required/specified to join them?
Chipping
Interlocking
Epoxy binding
Bracing
What do you call the process of cutting the branches around a tree on the roadside to make them denser and grow straight?
Pruning
Grafting
Felling
Buddling
The presence of excessive amount of sulphuric and alkali materials in water used in reinforced concrete construction will result to:
Increase in volume of mix
Early hardening of concrete
Corrosion of steel reinforcement
Whitening of finished surface of concrete
In patching works using cold mix (Emulsified Asphalt SS-1 Aggregate Mix), what color of the mix indicates that it is ready for application?
Dark brown
Grayish
Black
Blue- white
Which of the following is not categorized as a type of steel deck used on bridges?
Steel jack arches
Open Panel
Stiffened steel
Close through panel
What is the maximum allowable variation at the butt end of a pile in any direction from its location shown in the approved plans?
75mm
50mm
25mm
40mm
Driving heads of piles are provided to:
Ensure lateral support to the pile
Provide a driving surface normal to the pile
Avoid swaying
Splice piles
Which of the following items is not a structure of a dam?
Impervious fill
Random fill
Outlet protection works
Distribution canal
Which of the following is not a component of an economic evaluation of flood control projects?
Determination of flood discharges
Determination of estimated amount of damage
Subsurface investigation
Economic impact evaluation
The particle size distribution of coarse-grained soil is determined by:
Sieve analysis
Hydrometer analysis
Shaking test
Stripping test
For testing reinforcing steel bars, the sample for every 10 tons should be:
0.5 meter long
1.0 meter lon
1.5 meter long
2.0 meter long
Under Item 310, the asphalt content of bituminous mix on the basis of total dry aggregate should be between:
4% to 8%
5% to 8%
3% to 5%
5% to 7%
To protect Portland cement concrete pavement against rain before it has sufficiently hardened, the contractor should be required to have at all times any of the following materials with the exception of:
Metal form or wood planks
Burlaps or cotton mats
Plastic sheeting material
Plastic water stops
The minimum flexural strength requirement of concrete for item 311 (Portland Cement Concrete Pavement) is:
500 psi
550 psi
3000 psi
3500 psi
The item no. for Portland Cement Concrete Pavement in the DPWH Standard Specifications is:
200
201
310
311
Soil classification is determined by:
Attenberg limits test
Sieve analysis test
Hydrometer test
A and b
After three weeks of completion, the asphalt overlay exhibited reflection cracking. What will you recommend to correct the said defect?
Apply seal coat
Apply additional bituminous mix
Redo the construction of the asphalt overlay
Apply cover aggregates
In identifying project location intended for asphalt pavement, which of the following criteria is not appropriate to recommend?
Drainage facilities is well- maintained
Location is not in a typhoon belt area
Existing base course id stable
Flood- prone road section
When the grading test results of the three stockpiles are not in accordance with item 201 requirements, which of the following is economical to recommend?
Replace the three stockpiles with quality item 201 materials
Blend the three stockpiles to produce a correct proportion that will meet the specified grading
Allow the use of the materials provided corresponding deduction in payment will be affected
Increase the thickness of item 201
A project is about to be started, but the as-staked plan shows a reduction in length or shortening of the proposed structure. What should the Project engineer do?
Issue notice to proceed and disregard the as-staked survey
Proceed with work, reflect the underrun in the as-built plan
Suspend work and request for review if redesign is needed
Recheck the as-staked plan
What do you call the additional support on steel piles to support embankment of the abutment of a bridge embedded in the ground designed to increase load safety factor against overturning?
Dead man
Pile
Bridge panel
Cross bracing
What is the simplest type of superstructure of a concrete bridge with a limites span of 8 meters?
Reinforced concrete slab
Concrete plank deck
Girder and slab superstructure
Beam or plank bridge
Which of the following is not classified as a type of caisson foundation?
Pneumatic foundation
Box caisson
Open caisson
Hydraulic caisson
In underpinning a pier the following methods may be undertaken before the repair work starts, with exception of:
Earth-filled wood cofferdaming
Water diversion on thru dikes of rock and earth
Use of steel sheet piles
Spurdiking
What is the technical term used in repairing the foundation of piers and abutments that have an indication of scouring and erosion?
Shotcreting
Underpinning
Riveting
Plastering
In pile driving, when the desired penetration cannot be obtained by driving alone, other schemes are used. Which of the following is not acceptable?
Water jets
Pilot holes
Both jet and holes
Square hole
Which of the following is not a flood prevention/mitigation measure?
Channel improvement
Dikes
Spillways
Reclamation
Which of the following is not a function Of A groin?
It decreases the flow velocity
It regulates the flow direction
It stabilizes the mountain grade
It decreases the scouring effect
What do you call the structure, typically less than 5,0 m that is built across or spanning a river or waterway?
Bridge (any type
Culvert (pipe or box)
Viaduct
Chute
Which of the following is a bank protection structure?
Drainage ditch
Retaining wall
Lateral works
Pier resting on piles
The system of protecting land area from ocean waves is called:
River protection works
Coastal protection works
Slope protection works
Erosion control works
In a CPM diagram, these are points in time representing the start or completion of particular activities:
Activities
Connectors
Events
Dummies
In a PERT/CPM network, what is the latest allowable point in time that any event can occur, and still be on scheduled completion of a project?
Early start
Early finish
Late start
Late finish
What do you call a record or book compiled to contain the data information and history in thee implementation of a project from start to completion?
Blue book
History book
Log book
Statement of Work Accomplished (SWA)
If the required thickness of item 200 is 300 mm, the material may be spread and compacted in _______ layers
1
2
3
Uniform
If the good and hard soil is available within 2 to 3 m below the bed level of a river, the design will generally require:
Spread foundations
Raft foundations
Pile foundations
Caisson foundations
The amount withheld by the agency equivalent to 10% of the amount due to a contractor is referred to as:
Seed money
Withholding
Retention money
Contractor tax
Measurement of concrete materials for concrete structures shall be by:
Volume
Weight
Quantity
Density
The catch-up schedule reflects:
Financial expenditure
Accomplishments-duration relationship
The advance accomplishment
Preliminary engineering activities
After a pre-final inspection is conducted on a project and having verified an accomplishment of 95% or more, which of the following is assured?
Final inspection certificate
Acceptance certificate
Punch list
Turnover certificate
To avoid hitting a waterfall, realignment of the route must be done. Being a new road that will pass through loose or heterogeneous strata, auger borings should be made on the proposed alignment at an average interval of:
150 m
200 m
250 m
500 m
For any proposed bridge site, the topographic and river surveys should be extended from the centreline of the bridge at least
100 to 200 m upstream only
100 to 200 m downstream only
100 to 200 m upstream and downstream
300 m upstream and downstream
Profile along the centreline of the river channel should be extended from the centreline of the bridge by at least
100 to 200 m upstream only
100 to 200 m downstream only
100 to 200 m upstream and downstream
300 m upstream and downstream
To find the time of flow, it is required to determine the length of channel. This can be done by transforming the drainage area into a rectangle whose two sides are in the proportion of 1:1, 5. The length of the stream is assumed one diagonal of this rectangle plus one-half of the shorter side of the rectangle, which is the:
Square root of the square of width (W) plus half of
Square root of the sum of the squares of longer side (L) and W plus half of W
Square root of the square of L plus Half of W
3.O W
The maximum length of ascending gradient which a loaded truck can operate without undue reduction in speed is called:
Critical length of grade for design
Exceptional gradient
Limiting gradient
Ruling gradient
Proper storage of cement especially for big quantities stored at the jobsite must satisfy the following requirement with the exception of:
Flooring of warehouse should be well above the ground
Cement sucks should be stacked close together
Warehouse doors and windows should be closed except when cement is taken out for use
Warehouse should be located in an elevated pla
The depth of corrugation and roughened finish by brooming on the surface of a newly set concrete pavement should not be more than:
. 6.0 mm
1.5 mm
3.0 mm
2.5 mm
What kind of reinforcing steel is used for tie bars of a PCCP?
Plain square bars
Plain round bars
Deformed square bars
Deformed round bars
When a contract is mutually terminated, the contractor is:
Blacklisted by the agency
Required to pay liquidated damages
Allowed to submit bids
Disallowed to submit bids
What is the item 505 in the DPWH Standard Specifications?
Structural concrete
Prestressed concrete
Riprap, grouted riprap
Stone masonry
Unless other sizes are shown in the plans, shoes for stone masonry should have a minimum thickness of:
100 mm
150 mm
200 mm
250 mm
How many core samples should be taken for thickness determination of a 2-kilometer, 2-lane concrete road pavement?
10
20
30
40
To avoid hitting a waterfall, realignment of the route must be done. Being a new road that will pass thorugh losse or heterogenous strata, auger borings should be made on the proposed alignment at an average interval of.
150 m
200 m
250 m
500 m
In the calculation of total project duration in an infrastructure project (equipment oriented), which of the following is the most important consideration?
Right-of way acquisition
Local manpower capability
Climatic condition in the area
Availability of fund
In order to attain the minimum percentage design strength of concrete for sides of concrete beams and girders, the minimum time before forms and supports are removed should be:
1 day
2 days
7 days
14 days
What do you call the method of determining stream discharge by measuring the cross-sectional area of the stream and its velocity with a current meter?
Velocity- area method
Float velocity method
Direct volumetric method
Indirect method
What is the apparatus used in determining the consistency of a liquid asphalt?
Penetrometer
Viscometer
Thermometer
Viscometric meter
Which of the following is not a quality test for cement?
Compressive strength
Loss of ignition
Soundness
California bearing ratio
What kind of joint is required to be constructed when there is an interruption of more than 30 minutes in the concreting operations of a road pavement?
Longitudinal Joint
Transverse expansion Joint
Transverse contraction Joint
Transverse construction Joint
Which of the following project documents attest that the materials incorporated into the project works corresponds to the quantity accomplished and conform with specifications?
Certificate of quality control and assurance
Quality control program
Notice to proceed
Tatement of work accomplished
Camber on gravel roads is provided to:
Establish a smooth riding surface
Prevent water from stagnating on the carriageway
Provide boundary line for the two lanes
Plant grass of sodding
To attain a uniform consistency of concrete during the pouring operation of a concrete pavement, the slump should not be more than:
40mm
50mm
62mm
75mm
Culvert flow under entrance control is synonymous with flow under:
Outlet control
Inlet control
Submerged outlet
Normal depth greater than barrel height
What do you call the vertical distance from the culvert invert at the entrance to the water surface elevation permissible in the approach channel?
Freeboard
Headwater depth
Trail water depth
Scour depth
In the foundation design, the allowed load or bearing capacity is obtained by reducing the ultimate bearing capacity by a factor of safety of:
1.5
2.0
1 to 2
2 to 3
When considering wind or earthquake forces either acting alone or in combination with vertical loads, al allowed stresses and soil-bearing value for working stress design may be increased by:
ÂĽ
1/3
½
Âľ
For service load design of bridges, the flexural stress in the extreme fiber stress in compression, fc (in MPa), is:
0.30 f’c
0.40 f’c
0.45 f’c
0.50 f’c
To attain a uniform consistency of concrete during the pouring operation of a concrete pavement, the slump should not be more than:
40 mm
50 mm
62 mm
75 mm
What test determined the crushing of strength of aggregates to ensure that coarse aggregates will not degrade to smaller ones.
Abrasion
Grading
Density
Plasticity test
A one-lane road, with of 3.5 meters and shoulder width of 0.5 meter on each side of the pavement was designed to have sub-base and base coarse with a combined thickness of 300mm. If the thickness of the sub-base is 125mm, the spreading and compaction of the sub-base and base coarse shall be carried out in
3 layers over the full width of 4.5 m
2 layers over the full width of 4.5 m
3 layers over the full width of 3.5 m
2 layers over the full width of 3.5 m
Weakened joints on concrete pavement should be sawed
Immediately after the pavement surface has been brooms finished
Sawing of joints shall commerce as soon as the concrete has hardened sufficiently, usually within 24 hours
Before the pavements opened to traffic usually 14 days from the day of pouring
What depth of weakened joint should at all times not be less than
50mm
60mm
70mm
75mm
Cores are taken from a concrete pavement and tested for
Strength verification of concrete in place that is considered adequate
Flexural strength determination
Cement content determination
Thickness determination
In accepting completed concrete pavement poured by lane thickness determination shall come out by obtaining one core from every
100 meters
200 meters
500 meters
1000 meters
If the strength of Item 311 control specimens does not meet the requirements by not more than 25% and it is not feasible to obtain cores from the structure due to structural consideration:
The strength of in-place concrete will be determined by rebound a hammer
Pavement of the concrete will be made at an adjusted price
No pavement will be made on the concrete represented by the failed specimen
The contractor will be required to remove and replace the concrete represented by the failed specimens at his own expense.
The flexural strength requirements of item 311 is
500 psi
550 psi
3000 psi
3500 psi
The number of sets of beam test specimens that should be taken from 700 sq.m. Of concrete pavements, 0.23 cm thick poured on a single day should be:
2
3
6
9
Three cores taken from a pavement section poured on a single day were tested to have strength as follows: Core 1 3650 2 3000 86% of 3500 psi 3 2450 70% of 3500 psi Average 3033 87% of 3500 psi If the required strength is 3500 psi concrete are represented by the cores
Maybe accepted, subject to price adjustment
Is considered adequate
Is considered inadequate
May be recored at the initiative of the implementing office
Forms for concrete pavement shall remain in place undisturbed for not less than
24 hours after concrete pouring
The curing period
The period required to attain the design strength
72 hours after concrete pouring
The Ph value of water that is acceptable for use in concrete mix is
2.0 to 3.1
3.2 to 4.4
4.5 to 8.5
8.6 to 10.0
How many measurements are needed for thickness determination of concrete cores?
4
6
8
9
What is the single factor that determines the strength of concrete?
Slump
Water-cement ratio
Cement factor
Gradation of aggregates
What is the curve formed on a maximum dry density and optimum moisture content graph?
Parabola
Hyperbola
Straight line
None of the above
Which of the following is accepted for concrete with fc at 28 days of 3500 psi?
4000 psi; 3050 psi; 3450 psi
4000 psi; 3010 psi; 3489 psi
4500 psi; 2969 psi; 5000 psi
3500 psi; 34980psi; 3501 psi
In a design mix, the specific gravity of Portland cement must be
3.05
3.10
3.15
6.10
The role of application of prime coat before asphalt overlaying is
0.2 to 0.7 l/sq.m.
0.8 to 0.9 l/sq.m.
1.0 to 2.0 l/sq.m.
2.1 to 2.5 l/sq.m.
The most commonly used method in the design and evaluation of bituminous concrete mixes
Design mix
Marshall stability
Index of retained strength
Immersion / compression test
Which of the following penetration grade of asphalt is used in cold climate?
120/50
85/100
60/70
40/50
If sea water is used in a concrete mix, shat will be the effect on the hardened concrete
Strength is affected
Scaling at surface
Cracks at the side
Steel bars will rust
The job mix formula contain the following provision except
Grading of aggregate
Temperature of aggregates and asphalt
Index of retained strength value
Type of asphalt and percentage
Scaling of newly constructed concrete pavement is an evidence of inadequate quality control mainly due to high
Fineness modules
Slump
Fine aggregates content
Water cement ratio
The grade designation of a reinforcing steel bars is also its
Nominal area
Yield strength
Tensile strength
Unit mass
Which of the following is not an engineering property of granular soils?
Good load bearing qualities
Drain readily
Susceptible to strength or volume change due to change in water content
Comparatively incompressible due to static load
Which of the following is an engineering property of line grained soil?
Hard to drain
Susceptible to volume change under vibratory load, if not adequately compacted
Stable when subjected to load
Settlement is high
The dividing size between coarse and fine aggregates used in asphalting is
No. 4
No. 8
No. 16
No. 30
The objective of designing the asphalt mixture is determination of
Index of retained strength
Penetration grade of asphalt
Temperature of mix
Production control
The sample of reinforcing steel bars for every 10,000 kgs shall be
1m long
2m long
4m long
6m long
Given: Specific gravity = 2.305 Wet compressive strength = 1000 kpa Dry compressive strength = 1400 kpa What is the index of retained strength value?
70.1%
71.4%
40%
140%
The variation on tolerance of the surface from the testing edge of the straight edge in contact with the surface of asphalt pavement is
+/- 2mm
+/- 4mm
/- 6 mm
€� 5 mm
The specific irregularity tolerance for item 201 is
5mm
10mm
15mm
20mm
The depth of the weakened plane joint with a width of 6 mm is
40mm
45mm
50mm
60mm
Which of t he following is not the job for a materials engineer?
Submits samples for testing
Prepares design mix
Checks job mix formula
Surveys and measures line and grade at site
The proper way of sampling of aggregate base course in the laboratory if the the splitter is not availavle is to
Scoop for samples in the middle of the sack
Spread the samples on the ground and take the samples in the middle
Spread the samples on the ground and divide the samples into four and take two opposite parts from it
Scoop for samples at the side of the sack
Given :Original weight of sample, g 5000, Sample retained on No. 12 sieve, g 4178 What is the abrasion loss?
16.42%
16.44%
19.67%
19.76%
Which is true on conducting of a slump test?
Consistency of mixture is checked by the slump test
It is simple, but important, n indicator of water – cement ratio
Slump cone is used together with tamping rod and ruler
All of the above
Reinforced concrete puipe culvents are tested for compressive strength to produce _______ crack.
0.20 mm
0.25 mm
0.30 mm
0.35 mm
The bituminous materials commonly used in item 310 is
Asphalt emulsion
Asphalt cement
Liquid asphalt
Cutback asphalt
Item 310 mixture shall have an index of retained strength of not less than
66
70
97
107
Final compaction and smoothing of item 310 should be done by a
Pneumatic – tired roller
Sheep foot roller
Vibratory roller
Tandem smooth wheel roller
Item 310 mixture shall be delivered to the paver at a temperature not less than
66 ÂşC
97 ÂşC
107 ÂşC
110 ÂşC
In the asphalting of a two lane, 500 meter road which lasted for three days, how many core samples should be taken from the pavement if no sample was taken at the end of each days operation?
3
5
6
10
Which of the following provisions is not included in the job – mix formula?
Mixing time
Grading of aggregates
Asphalt cement
Temperature at delivery
A bituminous mix subjected to immersion – compression test yielded a dry stability of 2.0 kg and a wet stability of 1.5 kg. The index of retained strength of the mix is
0.5
1.33
33
75
In item 310, bitumen content, expressed in terms of percentage by mass of aggregate, shall be
3 to 5 %
4 to 7 %
5 to 8 %
6 to 8 %
In the asphalting of a 3 – meter wide, 200 meter long road lane, a core was obtained and tested to have a thickness of 5 cm. And a density of 2.25 gm/ cm³. The quantity of bituminous mix to be paid, in tonnes, is
65.5
67.5
655
675
After final rolling, the compacted asphalt pavement shall have a density equal top, or greater than % of the laboratory compacted density.
90
95
97
98
Scales for weighing aggregates and cement shall be accurate within % throughout the range of use. Scales shall be inspected and sealed as often as the Engineer may deem necessary to assure their continued accuracy,
1.0%
1.5%
0.5%
2.0%
When cement is placed in contact with the aggregate, batches maybe rejected unless mixed within ____ hours of such contact.
1.5 hours
2.0 hours
0.5 hours
2.0 hours
When mixed at the site or in a central mixing plant, the mixing time not be less than ____ nor more than ____unless mixer performance test prove adequate mixing of concrete in a shorter time period.
30 seconds nor more than 90 seconds
50 seconds nor more than 90 seconds
60 seconds nor more than 120 seconds
90 seconds nor more than 120 seconds
The flow of water shall be uniform and all water should be in the drum by the end of the first ____seconds of the mixing period.
45 seconds
30 seconds
15 seconds
20 seconds
Concrete not place within ____minutes from the time the ingredients were charged into the mixing drum shall not be used.
120 minutes
150 minutes
60 minutes
90 minutes
When concrete is delivered in truck mixers, additional water maybe added to the batch and additional mixing performed to increase the slump to meet the specified requirement if permitted by the Engineer, provided all these operation are performed within ____after the initial mixing operation and water and cement ratio is not exceeded.
30 minutes
15 minutes
45 minutes
60 minutes
A sample from a bituminous mix weighs 1000 grams. At extraction, it was found out that the dry aggregate weighed 950 grams, What is the % of asphalt by weight of mix?
5.2%
5.0%
5.4%
4.8%
The minimum penetration of the preservative with the surface of the timber piles shall be __
150mm
20mm
250mm
10mm
The contractor shall submit in writing a job-mix formula for the mixture supported by the laboratory test data along with samples of resources of components and viscosity-temperature relationship to the Engineer for testing and approval at least ____.
2 weeks
3 weeks
1 week
4 weeks
The concrete samples should be stored in a moist conditioned temperature within the range of ____until the time of test.
16*C to 27*C
15*C to 18*C
14*C to 24*C
18*C to 28*C
This is used in soil stabilized road surface due to its high____ property, tha is, it absorb and retain water.
Potassium Chloride
Calcium Chloride
Magnesium Chloride
Sodium Chloride
The mass % wear of soil aggregate used in cement/lime proportions should not be more than ____.
40%
50%
45%
55%
The uniform rate at which the movable head of CBR machine tray is ____.
0.07 in/min
0.10 in/min
0.08 in/min
0.09 in/min
Cast in place concrete shall not be post-tensioned until at least ____ and until the compressive strength has reached the strength specified
7 days
10 days
14 days
20 days
The penetration test is an indication of the ____of asphalt.
Consistency
Softness
Hardness
Flash Point
Specification requires one (1) Quality test for every ___of asphalt.
20 tons
200 tons
50 tons
40 tons
The ___is the most commonly used method in the design and evaluation of bituminous concrete mixes
Job Mix Formula
Design Mix
Marshall Stability
Extraction
Vibration shall operate a frequency of 8,300 to 9,600 impulses per minute under load at a maximum spacing of ___cm.
30cm
50cm
60cm
40cm
The specific gravity of Sodium Sulfate used in soundness test for aggregate should be within the range of ___.
1.151 to 1.174
1.250 to 1.178
1.051 to 1.154
1.058 to 1.184
The specific gravity magnesium sulfate solution used in soundness test for aggregate should be within the range of ___.
1.280 to 1.408
1.180 to 1.308
1.295 to 1.308
1.195 to 1.318
Aggregate accounts for 92-95% of the weight of the bituminous mixture asphalt accounts for 5- 8% of the weight of the mix. The exact percentage to be used is determined by the ___.
Trial Mix
Design Mix
Job Mix
Job Order
___is an indication that the asphalt mix is overheated.
Blue smoke
Stiff appearance
Rising steam
Mix slumps in truck
In checking the temperature of the mix, the thermometer should be inserted into the mix at least___.
2 inches
6 inches
4 inches
6 mm
___is applied on existing bit, or cement concrete surface with bituminous materials.
Bituminous Prime Coat
Bituminous Tack Coat
Bituminous Seal Coat
Bituminous Surface Treatment
The solution used in the soundness test of aggregate shall be cooled to a temperature of 21+ of -1*C and maintain at that temperature for at least ___.
24 hours
36 hours
48 hours
18 hours
Proper compaction of the fill materials is very important, as it will ____.
Increase in the shear strength
Decrease permeability
Minimize compressibility
All of the above
In which DPWH item is emulsified asphalt not suitable?
Item 301
Item 302
Item 304
Item 308
Unconfined compressive strength test is usually performed on ____.
Sandy soils
Silty soils
Organic soils
Clayey soils
Consolidation test is usually performed on___samples.
Disturbed
Undisturbed
Consolidated
Both a & b
A concrete core sample having a maximum height of less than ___ of its diameter before capping or height less than its diameter after capping shall not be tested.
93 %
94 %
95%
96%
The cohesion and internal friction of soil is tested by
Triaxial shear test
Direct shear test
Bearing test
All of the above
In concrete acceptance, core will be considered adequate if the average strength of the cores is equal to what?
80%of specified strength &if no single core is less than 75% of specified strenght
90%of specified strength & if no single core is less than 80%of specified strength
85%of the specified strength & if no single core is less than 75% of specified strength.
Before the cement is to be used, sampling must be done at least ___before use.
One week
14 days
Two weeeks
12 days
Asphalt cement shall not be used while it is foaming nor shall be heated at ___anytime after delivery.
107*
120*
159*
110*
Moisture content of aggregates in bit.mix shall not exceed ___of the time it is introduce into the mixing unit.
1.5 mass %
2.0 mass %
1 mass %
2.5 mass %
Batching tolerance for Sand and Aggregates is ___.
1 %
2%
3%
4%
Between stage of curing, concrete shall not be exposed for more than how many hours?
24 hours
3 hours
½ hours
72 hours
If the strength of control specimen does not meet the requirement and not feasible to obtain cores due to structural consideration, as Materials Engineer what will be your decision?
Remove and Replaced
Area will not be paid
Payment will be made at an adjusted price
After concrete has been placed, it is advisable to maintain fully wetted and in position for how many hours?
14 hours
24 hours
72 hours
15-18 hours
Rock shall be excavated to a depth ___below sub grade within the limit of the roadbed
100 mm
150 mm
200mm
Minimum penetration of all piles shall be ___.
3meters
6 meters
4 meters
4.5 meters
Piles shall not be driven within 7 meters of concrete less than ___
7 days
14 day
28 days
21 days
Paint contains ___ of pigment and ___ vehicle.
20% & 80%
21% & 79%
79% & 21%
80% & 20%
Minimum thickness of bedding materials beneath the pipe is ___.
100 mm
150 mm
200 mm
300 mm
Tolerance of gabion dimension is ____.
+/- 3%
+/- 2%
+/- 5%
+/- 4%
Minimum density of gabions is ____.
1,000kg/cum.
1,200kg/cum.
1,400kg/cum.
100kg/cum.
Soundness loss of field gabions is ___.
9%after 5 cycles
10%after 5 cycles
11%after 5 cycles
12%after 5 cycles
The heating temperature of reflectorized thermoplastic material during application is __
130+/-7*C
150+/-7*C
200+/-7*C
211+/-7*C
Submission of sample minimum quantity of material for asphalt cement is ___
5 kg.
10kg
20kg
100kg
For how many years does the small Contractor given to procure necessary testing equipment?
2 years
4 years
5 years
6 years
He depth of the weakened joints must be less than ___ and a width of ____.
40mm & 6mm
50mm & 5mm
40mm & 5mm
50mm & 6mm
In soil boring shall be carried to a depth of at least ___below the proposed grade line.
0.5m
1.0m
1.5m
1.8m
The test that determine the pile bearing capacity by loading one or more pile and measuring settlement under load is ___
Vane shear test
Plate bearing test
Pile load test
Bored Pile Test
The weight of disturbed samples from hard auger or split spoon shall be at least__.
1 kg
20kg
10kg
100kg
The length of Shelby Tube of an undisturbed sample is ____.
10”long
18”long
20”long
5” long
For small project where quantity of steel bars is 10,000kg.or less, what is the basis of acceptance of material?
No testing
P.E.Certificate
Mill Certificate
Site Inspection
0. ___determine the best combination of the material that will produce potentially stable & durable mixture
Job mix formula
Marshall formula
Design of bit.mix
Design Mix
1. ___is the rate of loading for concrete cylinder sample subject to compression test
20-40psi/sec
20-50psi/sec
15-40psi/sec
15-50psi/sec
In soil exploration, if the characteristic of rock is questionable, the minimum depth of boring into the bedrock should be ____
1.5m
2.0m
2.5m
3.0m
Determine the soil bearing capacity by loading a steel plate usually 30”diameter.
Vane shear test
Plate bearing test
Pile load test
None of the above
What is the rate of loading of concrete beam tested for flexural stress?
125-175psi/sec.
115-150psi/sec
110-150 psi/sec
130-175 psi/sec.
Being a Project Inspector, you are asked to monitor the on-going construction of a revetment. Which of the following should have the highest elevation?
Normal water level
Maximum experienced flood level
Existing bank level
Headwall level
Which of the following is the main purpose of the first advance payment to a contractor?
Seed money
Progress payment
Mobilization costs
Representation costs
Fter a pre-final inspection is conducted on a project and having verified an accomplishment of 95% or more, which of the following is issued?
Final Inspection Certificate
AcceptanceCertificate
Punch List
Turnover Certificate
The best aid in locating and identifying areas of discussion in an inspection report are:
Bar Charts
Executive Summary
Weather Charts
Photographs
What is the minimum width of widening on curve?
1000mm
500mm
750mm
600mm
Maximum Time for the change order to be approved?
60 days
45 days
30 days
15 days
What is the relative strength of mortar at 7 & 28 days of fine aggregates, when tested for the effect of organic impurities, which is higher than the standards?
Not less than 90%
Not less than 80%
Not less than 95%
Not less than 98 %
In concrete sampling paste shall be of normal consistency of ______ when the rod settles to a point below the original suface in 30 seconds.
10+/- 1 mm
11+/- 1 mm
15 +/- 1 mm
20 +/- 1 mm
What is the curing temperature of a concrete sample?
10-15 *C
18-24*C
15-18*C
16-27*C
What is the wash loss of fine aggregates in the no.200 sieve?
1%
2%
3%
4%
Retarder can delay the setting time of concrete up to how many hours?
1 hr
2 hrs
4 hrs
8 hrs
Super plasticizer can increase the strength of concrete up to how many percent ?
40-60 %
50-60 %
50-70 %
60-70%
_________ is the moisture in an air dried soil.
Moisuture Content
Natural Moisture Content
Hygroscopic Moisture Content
Hydrometer Moisture Content
____is the tolerance of mix in a bituminous temperature
+/-10 *C
+/-12 *C
+/- 15 *C
+/- 18 *C
____number of measurement taken in a core sample for thickness determination of the finish asphalt pavement.
3
4
5
8
In the absence of beam mold in site, cylinder mold is allowed by specification. What is the required strength?
2500ps
3000psi
3500psi
4000psi
Prime coat shall be left undisturbed for at least ______.
6hrs
12hrs
24hrs
16hrs
The first phase of rolling the spread bituminous mix is called breakdown rolling which is carried out by tandem-smooth-wheeled roller, temperature requirement must be ________.
200 – 225 *F
190-199 8F
160-180 *F
150-185 *F
How many gradation ranges for hot plant mix bituminous pavement are there in the blue book?
5
6
7
8
If no core had been taken at the end of each day of operation and the project has already been completed, a core shall be taken ________
For every 75 l.m./lane
For every 150 l.m./lane
For every 100 l.m./lane
For every 1,000 l.m./lane
_________ is the slump of workable concrete if vibrated.
10-20 mm
10-40 mm
40-50 mm
40-75 mm
___Burnt product which is used by Gypsum and pulverized to form Portland Cement.
Hydraulic Cement
Clinker
Fly Ash
Volcanic Ash
___ a classification of soil which 35% or less the particles pass through no. 200 sieve .
Grain size soil
Granular Materials
Silty Clay Materials
Clayey Materials
_____ a classification of soil which 35% more of the particles pass through 200 sieve.
Course Sand Soil
Granular Materials
Silty-Clay Materials
Clayey Materials
It evaluate the quality of soil as highway sub-grade material
Attenberg Limit
Plasticity Index
Group Index
Liquid Limit
It indicates good subbase materials when G.I. Is equal to ________.
0
5
10
20
It indicates very poor subbase materials when G.I. Is equal to _____.
0
5
10
20
It indicates the composition of soil.
Attenberg Limit
Plasticity Index
Group Inde
Liquid Limit
The higher value of PI of the soil, the weaker will be the soil performance as a _____
True
False
Depend
None of the Above
_______ is the minimum percent of A-6 group classification of soil.
0
6
20
35
When the value of G.I. Is negative, what will be the soil performance?
Poor Subgrade
Very good Subgrade
Good Subgrade
None of the above
The weight of Sandy soil for Hydrometer Analysis is _______.
10 grams
25 grams
50 grams
100 grams
______ is a type of soil in which most of the soil grains are of the same size
Poorly graded
Well graded
Cap graded
None of the above
Percent passing loose for coarse aggregates when tested for clay lump is _______.
1.0 percent
0.25 mass percent
0.8 percent
1.0 mass percent
The mass percent passing loose for coarse aggregates when tested soft fragment is _______.
0.10
0.25
3.5
1.0
If slag is used, the density of coarse aggregate is ________.
30-100 kg/cu.m.
150 kg./cu.m
1,120 kg/cu.m
1,400 kg/cu.m.
Mass percent loose for fine aggregates when tested in Clay lumps is ____.
0.10
0.25
0.80
1.0
_______ is a type of cement which shall be transferred to an elevated, air tight and weather proof bins storage.
Portland Cement
Pozzolan Cement
Bulk Cement
None of the above
What is the strength for load bearing hollow blocks?
600psi
700psi
800psi
1000psi
When mixed at the site or in a central mixing plant, the mixing time shall not be less than _____________ nor more than _____________unless mix performance test prove adequate of the concrete in a shorter time period.
50 second and 90 seconds
30 seconds and 70 seconds
20 seconds and 60 seconds
40 seconds and 80 seconds
The batches shall be so charged into the drum that a portion of the mixing water shall enter in advance of the cement and aggregate. The flow of water shall be uniform and all water should be in the drum by the end of the _____________ of the mixing period.
20 seconds
15 seconds
10 seconds
5 seconds
The time elapsed from the time water is added to the mix until the concrete is deposited at the site shall not exceed ____________when concrete is hauled in the truck.
60 minutes
70 minutes
90 minutes
45 minutes
The minimum percent compaction for embankment is ______.
92.0 %
97.0 %
95.0 %
100%
The minimum percent compaction for base and Sub-base of the road is _______
100%
105%
95%
98%
The CBR value of aggregate base course is not less than _____.
80 %
85 %
90 %
91%
The CBR value of aggregate subbase course is not less than ____.
25.0 %
30.0 %
35.0 %
20%
The minimum compressive strength for Class A concrete is 20.7 Mpa, How about Class C?
3,000 psi (20.7 Mpa)
2,400 psi (16.7 Mpa)
5,000 psi (37.7 Mpa)
3500 psi (24 Mpa)
What is the significance of determination of the tensile properties of reinforcing steel bars?
This method is intended to determine yield and tensile strength of the bar as well as its elongation and is used to classify the bars into grade
This method is intended to evaluate the ductile properties of the reinforcing steel bars
To get the Strength
None of the above
A tie bar should be ______.
Deformed bar
Round bar
Flat bar
Square Bar
A dowel bar should be _____.
Deformed bar
Round bar
Flat bar
Square Bar
The mortar for masonry shall consist of _______.
One part of Portland Cement and 2 parts of sand
One part of Cement and 3 parts of sand
One part of Portland Cement and 4 part of sand
One part of Portland Cement and 1 part of sand
The apparatus used to measure the thickness or height of compacted bituminous paving mixture.
Ruler
Vernier Califer
Steel Tape
Meter Stick
T is used in calculating the unit weight of the mixture and the degree of compaction of the asphalt pavement.
Bulk Specific Gravity of compacted bituminous mixtures using saturated surface dry specimen.
Dry unit weight of compacted bituminous mixtures
Both a and b.
None of the above.
The test which covers the quantitative determination of bitumen in hot mixed paving mixtures and pavement samples for specification service evaluation, control and research.
Extraction
Spot Test
Flash Point
Melting Point
He solvent used in extraction of bitumen is ______.
Diesel Oil
Gasoline
Water
Salt Water
The percent of bitumen content is computed based on ______.
Mass of raw sample
Mass of dry aggregates
Mass of asphalt
Mass of wet aggregates
The method used to determine the grading of aggregate extracted from bituminous mixture is _______.
Mechanical analysis of extracted aggregates
Stability Test
Viscosity Tes
Extraction
The drying temperature of sample is _______.
110 +/- 5*C
100 * C
100 +/-5 *C
115 +/- 5*C
_____ is a solid asphalt which is a basic constituent of all other asphalt called as hot asphalt or penetration grade asphalt.
Asphalt Cement
Cutback Asphalt
Mulsified Asphalt
Bitumin
______ is a kind of liquid asphalt which is a mixture of asphalt cement and kerosene.
Medium Curing Cutback
Asphalt Cement
Rapid Curing Cutback
Low Curing Cutback
____ is a kind of liquid asphalt which is a mixture of asphalt cement and gasoline.
Rapid Curing Cutback
Blown Asphalt
Joint Filler
Asphalt Cement
Asphalt is defined as ______.
A petroleum product
A dark brown to black cementitous materials whose consistency ranges from solid to semi-solid and whose- main constituent is called bitumen is either found in nature or as a residue in petroleum refining.
None of the above
. Both a and b.
It is a kind of liquid asphalt which is a mixture of asphalt cement and water with emulsified with pungent odor
Emulsified Asphalt
Asphalt Cement
Rapid Curing Asphalt
Medium Curing Cutback
Joint Filler in concrete pavement is a _______
Blown Asphalt
Hot Asphalt
Liquid Asphalt
Emulsified Asphalt
A device used to measure the relative hardness of asphalt is ____.
Penetrometer
Spectometer
Vicat Apparatus
Armoured Thermometer
A property of asphalt cement to stretch without breaking is called ____.
Ductility
Durability
Tensile
Hardness
An apparatus used to determine the specific gravity of asphalt is called ______.
Metal Pycnometer
Glass Pycnometer
Any bottle
Graduated Cylinder
Consistency test for asphalt is called _______.
Viscosity
Slump Test
Washing
Extraction
A process of volatilization test which measures the relative proportion of asphalt to oil.
Distillation
Extraction
Float Test
Viscosity
_____ is a period wherein the asphalt begins to melt
Softening Point
Fire Point
Boiling Point
Melting Point
The sampling requirement of asphalt is ______.
1 sample for every 200 drums or 40 metric tons
1 sample for every 100 drums
1 sample for every shipment
1 sample per 10 box
The component of bituminous mixes which range from 92 to 96 % is called ____
Bituminous Blended Aggregate
Concrete Aggregates
Sand
Gravel
______ is a property of bituminous mixes in pavement to resist deformation or displacement due to impose load or repeated loading.
Stability
Flexibility
Ductility
Durability
_____ is a property of bituminous mixes in pavement to resist disintegration or deterioration due to the action of water, traffic and changing climate.
Durability
Flexibility
Ductility
Stability
___ is a property of bituminous mixes in pavement adjust itself to settlement.
Flexibility
Rigidity
Hardness
Ductility
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