Energy Resources (NTA-NET (Based on NTA-UGC) Environmental Science (Paper-II)): Questions 31 - 35 of 35

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Question number: 31

» Energy Resources » Global Warming

Appeared in Year: 2011

MCQ▾

Question

Which of the following gases has the maximum global warming potential (GWP) lifetime? – (December)

Choices

Choice (4) Response

a.

Nitrous oxide

b.

Carbon-dioxide

c.

Methane

d.

Water vapour

Question number: 32

» Energy Resources » Radioactive Waste and Radioactivity from Nuclear Reactors

Appeared in Year: 2009

MCQ▾

Question

After 560 days, 1 gm of a radioactive element is reduced to The half-life of the radioactive element is:

Choices

Choice (4) Response

a.

280 days

b.

140 days

c.

70 days

d.

210 days

Question number: 33

» Energy Resources » Anaerobic Digestion

Appeared in Year: 2009

MCQ▾

Question

Which of the following bacterium is used in the recovery of otherwise unprofitable grades of Uranium and Copper ores? (June)

Choices

Choice (4) Response

a.

Azotobactor

b.

Thiobacillus ferrooxidans

c.

Escherichia coli

d.

Clostridium

Question number: 34

» Energy Resources » Sun as Source of Energy » Spectral Characteristics

Appeared in Year: 2009

MCQ▾

Question

A microwave source has a wavelength of 4 cm. Given then their speed is the frequency is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 35

» Energy Resources » Wind and Geothermal Energy

MCQ▾

Question

Lindal diagram used to to illustrate the various applications

Choices

Choice (4) Response

a.

mining

AND

de-icing and soil warming

b.

swimming pools and balneology

c.

fish farming, greenhouse warming

d.

All a. , b. and c. are correct

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