Fire Midterm

What are the essentials needed to start and support a fire?

Heat, Oxygen , and Flame

Fuel, Heat, and Spark

Oxygen , Heat, and spark

Fuel, Oxygen, and Heat

What is one of the principles for extinguishing a fire?

Add more Oxygen

Separate the oxygen from air surrounding it

Remove the oxygen supply

What should be done with a fire extinguisher that has been fired off?

Put back in use if there is still some pressure indication on the gauge

Put back into use if it still falls within the weight limit

Red tagged and sent for refill

Cleaned and put back in service

What fire detection system is wired in parallel?

Pneumatic

Thermo-Switch

Thermocouple

Fenwall

From the below what fire detection system is a spot type?

Pneumatic

Kiddie

Fenwall

Thermo-switch

What fire detection system is wired in series?

Pneumatic

Thermo-Switch

Radiant

Thermocouple

What indications do flight crew generally get when a fire system detects a possible fire?

Audible only

Fire Bell and Vibration in the control yoke

Light and Audible indication

Light only

What is one of the principles for extinguishing a fire?

Separate the fuel from the oxygen

Remove the CO 2 supply

Blow air on the fuel to cool it

Separate the fuel from the heat

Fire extinguishers installed in aircraft need yearly inspection! What needs to be checked?

Gauge, Weight, Hydrostatic test yearly

Hydrostatic test date , Condition of mounting bracket

Gauge, Weight, Hydrostatic inspection date

Make sure they are secure

From the below what type of fire extinguishing agent is corrosive?

Carbon dioxide

Halon 1211

Dry powder(Dry Chemical)

Halon 1301

The kiddie system continuous loop fire detection system consists of?

Inconel tube, thermally sensitive eutectic salt with a conductive wire in the middle.

Inconel tube, thermistor material core with two electrical conductors

Stainless steel tube, filled with eutectic salt with duel titanium core.

Stainless steel tube, filled with helium and titanium

What fire Detection system used an expanding outer casing to join two contacts in the sensor?

Kiddie

Fenwall

Thermo-Switch

Thermocouple

How many center wire conductors does the kiddie system have?

None, it is sealed pneumatic

How does the thermo-couple fire detection system work?

As the thermo-couple heats up, voltage is produced, activates the warning system

As the thermo-couple heats up, pressure is produced, activates the warning system

As the thermo-couple heats up, Pressure increases, at a pre-set temperature the warning system is activated.

As the thermo-couple heats up, the switch stretches, contact close, activates the warning system.

From the below what is detection system is a continuous loop?

Fenwall

Thermo-switch

Thermocouple

Infra Red

If you have cooking oil or fats burning what class fire are you dealing with?

The fenwall fire loop system has how many center wires conductors?

None only Eutectic salt

What is one of the principles for extinguishing a fire?

Cool the oxygen supply below its ignition point

Cool the fuel below its ignition point

Blanket the fuel with oxygen to smoother it

Add more fuel

Class C fires respond best to what type of fire extinguisher and is least harmful to electrical equipment? 

Foam

Water

Dry powder

Carbon Dioxide

The fenwall continuous loop fire system consists of?

Consists of small, lightweight, flexible Inconel tube packed with thermally sensitive eutectic salt and a pure nickel conductor wire in the center. 

The pressure in a fully serviced HRD Halon bottle will vary because of?

The aircraft engines are being operated

The aircraft APU is being used

The aircraft gross weight

The aircraft temperature

What is the function of the pressure gauge on the HRD bottles

Check type of fire extinguishing agent

Check the bottle content level and for servicing

The pressure gauge is only used with a single bonnet HRD system

Monitor for over temp situations

What is the function of the bonnet in the HRD system?

The bonnet detonates the squib in the HRD system

The bonnet filters debris from entering the distribution tubing

The bonnet ruptures the frangible disc in the HRD system

The bonnet discharges the extinguishing agent through tubing to the area selected

How many bonnets are installed on the Halon bottles on the Citation HRD system?

The Citation uses a shuttle valve instead of a bonnet in the HRD system

One bonnet is installed on the Halon bottle on the Citation aircraft

Two bonnets are installed on each Halon bottle on the citation aircraft

The Citation does not use bonnets in the HRD system

What is burning if a fire is considered a class D?

Flammable liquid

Electrical

Cooking oil

Combustible metals

What melts in the Halon bottle providing pressure relief if the bottle overheats?

The squib pressure relief detonates

The thermal fuse

The yellow blow out disc on the fuselage

The red blow out disc on the fuselage

What does the strainer do in the HRD system?

Catches the pieces from inside the HRD bottle

Catches the pieces from entering the bonnet 

Catches the pieces of the frangible disc

Catches the pieces of the squib detonation

The fenwal continuous loop fire detection system consists of?

Inconel tube, thermally sensitive eutectic salt with conductive wire in the middle.

Inconel tube, thermistor material core with two electrical conductors continuous

Stainless steel tube, filled with helium and titanium core

Stainless steel tube, filled with eutectic salt with duel titanium core

What is the most common and least expensive fire extinguishing agent commonly used on ABC fires?

Co2

Halon

Dry Chemical (powder)

Foam

If a fire extinguisher has no gauge what type of extinguisher is it?

Class C carbon dioxide

Class A water

Class K carbon dioxide

Class B foam

How would you go about putting out a fire caused by an electrically charged component such as a generator or starter

Shut off the electrical source and use a Class B fire extinguisher

Shut off the source and use a foam fire extinguisher

Shut off the electrical source and use a carbon dioxide fire extinguisher

Shut off the source and use a class D dry powder fire extinguisher

What are the disadvantages of an ABC dry chemical fire extinguisher?

Toxic, corrosive, and can't be used on electrical fires

Toxic, corrosive, and hard to clean up

Toxic, hard to clean up, and can't be used on wood fires

Corrosive, hard to clean up, and can't be used on grease fires

What is the most effective way of putting out a fire that's fuel source is wood and paper, so that it does not reignite?

Cool the fuel below is ignition point using water

Removing the oxygen using a class C fire extinguisher

Smothering it with a bucket of sand

Seperating the fuel from the oxygen using an ABC fire extinguisher

What class of fire are you dealing with if the fire is an electrical fire?

Class B

Class D

Class C

Class A

From the list below, what is one of the fuel sources of a class D fire

Chromoly Steel

Stainless steel

Magnesium swarf

Composite material such as fiberglass

What connects to F?

Connection for fire warning light

Connection to fire off bottle

Connection to ground the bottle

Connection for cockpit remote pressure gauge

What fire detection system uses a helium filled stainless steel tube?

Thermal switch

Fenawal

Kiddie

Pneumatic

Name the areas that a smoke detector would be installed on an aircraft

Lavatories, Cargo, and avionics compartments

Avionics bay, Cargo, and flight deck

Lavatories, galley, and flight deck

Lavatories, Cargo, and baggage compartment

What type of gas is inside the tube in a pneumatic fire detection loop?

Helium

Argon

Halon

Nitrogen

Name two types of smoke detector?

Light refraction and ionization

Thermal and ionization

Light infraction and ionization

Infrared and ultraviolet

In the pneumatic fire detection system what function allows for spot detection?

Discrete

Thermal

Averaging

Sensing

Name two types of flame detectors?

Light refraction and infrared

Infrared and ionization

Infrared and ultraviolet

Ionization and light refraction

From the list below what is one type of smoke detectors?

Ultraviolet

Light refraction

Infrared

HRD

Where is a smoke detector normally located?

The wheel well

The cockpit

The engine compartment

The baggage compartment

From the list below what is one type of smoke detector?

Light refraction

Infrared

HRD

Ultraviolet

From the list below select the three types of fire detection systems in use on aircraft? Multi select question pick 3 answer

Thermal switch

Thermal couple

Continous loop

Thermal resistor

From the list below pick two types of pneumatic fire detection loops? Multi select choose two answers

Chubb

Stystron

Garret

Donner

Fire Midterm

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