Environmental Engineering Practice Test 10

1. What does the term “liming” mean?

Erosion of calcium carbonate(lime) zones in soil

None of the mentioned

Application of magnesium and calcium rich substances to soil

Excessive growth of lemon trees in acid rain prone regions

2. Which of the following is/are natural contributor(s) to sulphur dioxide in the atmosphere?

Volcanic eruption

Decaying vegetation

All of the mentioned

Sea sprays

3. Which of the following UV radiations is responsible for causing sun burns and skin cancer?

UV-C

UV-B

UV-A

All of the mentioned

4. Who discovered the phenomenon of acid rain?

Robert Angus Smith

Charles David

George Brown

James T. Stewart

5. Glass containers are generally not preferred for sampling rain water. Why?

All of the mentioned

Glass containers affect the pH of the rain water

Glass containers are expensive

Glass containers are not easy to maintain

6. Match the following.

A. Hurricane               1.Indian Ocean and South Pacific 
B. Typhoon                 2.Low level air circulation
C. Cyclone                 3.Northeastern Pacific and Atlantic
D. Tropical Cyclone        4.Northwestern Pacific

A-2; B-3; C-4; D-1

A-3; B-2; C-1; D-4

A-1; B-3; C-2; D-4

A-3; B-4; C-1; D-2

7. Which of the following statements is true?

Troposphere contains the ozone layer

Troposphere is thinner at the equator than at the poles

Troposphere is equally thick across different parts of the world

Troposphere is thicker at the equator than at the poles

8. Which are the sources of arsenic pollution?

Mine tailings

All of the mentioned

Detergents and pesticides

Coal and petroleum

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

Sulphur hexafluoride

PFTBA

Carbon tetrachloride

CFC

10. Which of the following compounds have the highest GWP?

Water vapour

CFC

Nitrous oxide

Sulphur hexafluoride