Air Pollution Control Engineering(Environment Management ) Questions and Answers
Question 1. Which of the following removes both gaseous and particulate contaminants?
Gravitational settling chamber
Venturi scrubber
Dynamic precipitator
Wet scrubber
Explanation:-
Answer: Option B. -> Venturi scrubber
Question 2. Ringelmann chart is used for the evaluation of __________ pollution
Water
Radioactive
Air
Noise
Explanation:-
Answer: Option C. -> Air
Question 3. Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes
Asphyxiation (suffocation)
Shortness of breath
Tuberculosis
All of above
Explanation:-
Answer: Option D. -> All of above
Question 4. Which of the following acts as a natural source of air pollution
Deforestation
Forest fire
Volcanic eruption
All of above
Explanation:-
Answer: Option C. -> Volcanic eruption
Question 5. Which of the following fluid is used in web scrubbers?
MgSO
Lime
NaCl
None of these
Explanation:-
Answer: Option B. -> Lime
Question 6. The gas which is responsible for heart attacks and high mortality rates caused by incomplete combustion of organic matter is
Hydrogen sulphide
Carbon monoxide
Nitrogen oxide
Sulphur dioxide
Explanation:-
Answer: Option C. -> Nitrogen oxide
Question 7. The addition of 50 decibel noise with another 50 decibel noise is equivalent to a noise of
43 decibel
53 decibel
83 decibel
100 decibel
Explanation:-
Answer: Option B. -> 53 decibel
Question 8. Photochemical smog is formed from automobile exhaust
Appears only on sunny days
Is harmful for crops and trees also besides causing eye irritation & asthma
By reaction of hydrocarbon & nitric oxide in presence of sunlight
All of above
Explanation:-
Answer: Option D. -> All of above
Question 9. Which one of the following is NOT present in the acid rain?
HNO₃
H₂SO₄
H₂CO₃
CH₃COOH
Explanation:-
Answer: Option D. -> CH₃COOH
Question 10. From among the different pollutants listed that cause air pollution, identify the secondary air pollutant