ENV QUIZ 2
Environmental Awareness Quiz
Test your knowledge on environmental science with our comprehensive quiz! This quiz covers various aspects of water quality, pollution, and treatment processes, designed for both beginners and experts.
- 20 challenging questions
- Multiple choice format
- Engaging and educational
The following are key properties of a coagulant except for:
Trivalent cation
Insoluble in the neutral pH range
Nontoxic
Inorganic Nature
Bacterial pathogens include the following except for:
Giardia lamblia
Vibrio cholera
Shigella dysenteriae
Escherichia coli
This refers to the equivalent amount of oxygen (in ppm or mg/L) from a strong oxidizing agent to oxidize dissolved substances in water.
DO
ORP
COD
BOD
It is the measure of resistance of water to the flow of electrons.
Electrolytic resistivity
Electrolytic conductivity
Solubility
Electrical resistance
This water quality parameter is primarily due to the suspended particles and organic matter.
PH
Color
Odor
Taste
This is the most expensive membrane process
Nanofiltration
Microfiltration
Ultrafiltration
Reverse Osmosis
It is defined as its content of metallic ions which react with sodium soaps to produce a residue.
Hardness
Conductivity
Turbidity
Softness
This treatment technique is appropriate for waters with high noncarbonate hardness and total hardness less than 350 mg/L as CaCO3.
Ion exchange
Soda-lime softening
Adsorption
Coagulation
This process usually involves slow mixing to enhance larger particle formation.
Flocculation
Coagulation
Sedimentation
Aeration
It is used for screening the type of coagulant and the proper coagulant dosage.
Stirrer Test
Coagulant Test
Screening Test
Jar Test
This process usually involves rapid mixing to attract the impurities.
Coagulation
Sedimentation
Flocculation
Aeration
It is where floc particles settle out in a faster rate.
Sedimentation tank
Filtration System
Flocculation Basin
Coagulation Basin
It is the endless circulation of water between the atmosphere, lithosphere, hydrosphere, and biosphere
Atmospheric cycle
Nutrient cycle
Biospheric cycle
Hydrologic cycle
___ % of world's water is in the seas and oceans.
93
97
91
95
These refer to those sources of water pollution which do not have any specific location for discharging pollutants, in the water body are know as non-point sources of water pollution.
Non-point sources
Target Sources
Point sources
Specific sources
It can also refer to the muddiness of the water.
True color
Optical density
Apparent color
Turbidity
It is the process in which the majority of the particles will settle by gravity within a reasonable time and be removed.
Coagulation
Flocculation
Aeration
Sedimentation
It includes human excreta, discharged from kitchens, baths, laboratories, etc.
Domestic sewage
Hazardous sewage
Industrial waste
Solid waste
What is the treatment plant of Kin County Wastewater which has a different secondary treatment system from their South Treatment Plant to clean water to a higher level for reuse?
Clean water
City Jobs Treatment Plant
Brightwater
North Treatment Plant
This type of disinfection is done by maintaining a disinfectant residual in the treated-water distribution system.
Tertiary disinfection
Supplementary disinfection
Secondary disinfection
Primary disinfection
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