Civil Engineering MCQs

Environmental Engineering ? Air Pollution Questions with solutions MCQs

1. Which of the following gases are called Greenhouse gases?

A

Methane

B

Nitrogen

C

Carbon dioxide

D

Both (A) and (C)

Environmental Engineering ? Air Pollution J.E Civil (SD) 2025
Correct Answer : D
Explanation :

Methane and carbon dioxide are greenhouse gases; nitrogen is not.

Correct Answered :

Wrong Answered :

2. For controlling measures on air pollution in industries, which mechanical devices are used?

A

Electrostatic precipitator

B

Cyclone separator

C

Wet scrubber

D

All of the above

Environmental Engineering ? Air Pollution J.E Civil (SD) 2025
Correct Answer : D
Explanation :

All listed devices (ESP, cyclone separator, wet scrubber) are used for air pollution control.

Correct Answered :

Wrong Answered :

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