Environmental Pollution and Control Practice Test | Environmental Science Quiz

1.Bahaviour of the plume, when stack is under temperature inversion layer, is termed as
Fanning
Conning
Fumigation
Lofting

2.National ambient air quality standards typically include following components
maximum and minimum pollutant levels, adjustment for
Abetment strategies, non attainment penalties
Ambient temperature, size, distribution and relative humidity
Indicator(Chemical/chemical class), Averaging time, Pollutant form and level

3.Carbon monoxide is harmful to human beings, as it:
Causes cancer
causes eye irriration
depletes ozone layer
has high affinity with haemoglobin as compared to oxygen

4.What is the sound pressure level (in dB) associated witha root mean square pressure of 100 Pa?
148 dB
134 dB
120 dB
110 dB

5.Which of the following particulate control devices has the poorest removal deficiency for particles in the sub -micron size range
Cyclone
Fabric filter
Venturi scrubber
Electrostatic precipitator

6.Which of the following is aprimary air pollutant
Surface ozone
Sulphate
black carbon
nitrate

7.pH of dust free and unpolluted rainwater is 5.6 due to dissolution of
HO2
CO2
NO2
SO2

8. Temporary hardness is caused by
Calcium sulfate
Magnesium sulfate
Magnesium carbonate
magnesium chloride

9.Ultrafilteration does not allow which of the following to pass through?
viruses
bacteria
small organic molecules
colloidal particles

10.One of the natural causes of occurrence of inland soil alkalinity is the presence of
sodium chloride
sodium carbonate
sodium hypochlorite
potassium nitrate

Score =
Correct answers:

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