Air (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 15 - 19 of 20

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Question number: 15

» Air » Monitoring and Control of Air Pollution

Appeared in Year: 2009

MCQ▾

Question

Which one of the following air pollution control device has highest efficiency in controlling dust? – (December)

Choices

Choice (4) Response

a.

Wet Scrubber

b.

Venturi Scrubber

c.

Electrostatic precipitator

d.

Cyclonic spray scrubber

Question number: 16

» Air » Sources of Pollution

Appeared in Year: 2011

MCQ▾

Question

Which of the following is the major source of mercury pollution in India? - (December)

Choices

Choice (4) Response

a.

Dental amalgam fillings

b.

Pesticides

c.

Electrical and electronic gadgets

d.

Coal based thermal power plants

Question number: 17

» Air » Acid Rain

Appeared in Year: 2011

MCQ▾

Question

Acid rain has pH – (December)

Choices

Choice (4) Response

a.

< 7.6

b.

> 7

c.

< 1.6

d.

≤ 5.6

Question number: 18

» Air » Sources of Pollution

Appeared in Year: 2013

Match List-Ⅰ List-Ⅱ▾

Question

Match List – I with List – II and choose the correct answer from the codes given below: (December)
List-Ⅰ (Air Pollutants) List-Ⅱ (Sources/Activities)

(A)

Sulphur dioxide

(i)

Cigarette Smoking

(B)

Nitrogen oxide

(ii)

Chemical reaction with VOCs

(C)

Ozone

(iii)

Power and Industrial Plant

(D)

Carbon monoxide

(iv)

Coal burning

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (iv)
  • (ii)
  • (i)

b.

  • (ii)
  • (iii)
  • (i)
  • (iv)

c.

  • (iv)
  • (iii)
  • (i)
  • (ii)

d.

  • (iv)
  • (iii)
  • (ii)
  • (i)

Question number: 19

» Air » Gas Laws

Appeared in Year: 2009

MCQ▾

Question

The equation of state of gas, incorporating the ‘Van der Waals’ correction is given as: (June)

Choices

Choice (4) Response

a.

PV=constant

b.

PV=RT

c.

(P+av2)(Vb)=RT

d.

PVγ=constant

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