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1000 Environmental Engineering
Quiz 2
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Q.1
Which of the following is biodegradable waste?
a) Paper
b) Food waste
c) Polythene bags
d) Synthetic fiber
Q.2
Which of the following water treatment process is done after filtration of water?
a) Secondary sedimentation
b) Flocculation
c) Primary sedimentation
d) Disinfection
Q.3
Which of the following type of pollution is Cultural eutrophication?
a) Noise pollution
b) Thermal pollution
c) Soil pollution
d) Water pollution
Q.4
In the lower layers of atmosphere, what range of wavelengths of light is predominant?
a) Between 100-300 nm
b) Less than 100 nm
c) Greater than 300 nm
d) All wavelengths are equally present
Q.5
Which of the following radiations of the sun do greenhouse gases trap?
a) Infrared radiations
b) UV radiations
c) Visible radiations
d) All the radiations
Q.6
Which of the following air pollution control device has maximum efficiency?
a) Spray tower
b) Wet cyclonic scrubber
c) Dynamic precipitator
d) Electrostatic precipitator
Q.7
Which of the following is not a part of photochemical smog?
a) SPM
b) PAN
c) O3
d) NO2
Q.8
Which of the following device is used to prevent the clogging of sewer pipes?
a) Drop manhole
b) Storm regulators
c) Flushing tank
d) Lamp hole
Q.9
Which of the following factor does not effect the dry weather flow?
a) Infiltration of ground water
b) Population growth
c) Rate of water supply
d) Temperature conditions
Q.10
Which of the following gas is not colorless?
a) SO3
b) Pb
c) NO
d) O3
Q.11
Which of the following is an advantage of a separate water carriage system?
a) The more uniform character of sewage
b) Two sets of sewer are used
c) Get choked easily
d) Difficult to clean the sewer
Q.12
Which of the following flow is also called sanitary sewage?
a) Nonuniform flow
b) Uniform flow
c) Dry weather flow
d) Storm weather flow
Q.13
Which of the following greenhouse gas is contributed by cattle farming?
a) Carbon monoxide
b) Nitrous oxide
c) Methane
d) All of the mentioned
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