Environmental Engineering Mock Test 10

10%

Question 1 of 10

1. Which of the following chemicals are responsible for the depletion of the stratospheric ozone layer?

Propellants

All of the mentioned

Foam-blowing agents

Refrigerants

Question 1 of 10

Question 2 of 10

2. Hazardous pollutants are those pollutants for which air quality standards have been devised.

True

False

Question 2 of 10

Question 3 of 10

3. Which of the following gases has the highest radiative efficiency?

PFTBA

CFC

Carbon tetrachloride

Sulphur hexafluoride

Question 3 of 10

Question 4 of 10

4. Volcanic eruptions contribute to the global greenhouse phenomenon.

False

True

Question 4 of 10

Question 5 of 10

5. Above which Richardson number does vertical mixing in winds disappear?

0.25

0.5

0.75

Question 5 of 10

Question 6 of 10

6. What is the size range of atmospheric particulate matter?

10 – 100 microns

0.1 – 1 micron

0.1 - 10 microns

1 – 10 microns

Question 6 of 10

Question 7 of 10

7. Clouds help in cooling down the planet and do not contribute to greenhouse effect.

False

True

Question 7 of 10

Question 8 of 10

8. Which of the following devices can be used to measure ozone in the stratosphere from the ground?

Spectrometer

Spectrophotometer

Photometer

Spectro-ozonometer

Question 8 of 10

Question 9 of 10

9. In which layer of the ionosphere does the International Space Station orbit?

Question 9 of 10

Question 10 of 10

10. What does “airborne fraction” with respect to greenhouse gases indicate?

Amount of greenhouse gases that are released into air due to industrial process

None of the mentioned

Proportion of greenhouse gas emission that remain even after a specified time

Proportion of greenhouse gases in air to all the other atmospheric gases

Question 10 of 10