Water [NTA-NET (UGC-NET) Environmental Science (89)]: Questions 6 - 8 of 45

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Question 6

Appeared in Year: 2016

Question MCQ▾

In India, target for generating electric power from small hydropower projects by the year 2022 is (September)

In India, Target for Generating Electric Power from Small Hydropower Projects by the Year 2022 Is
PropertiesPeatLigniteBituminousAnthracite
Heat Content (Btu/lb)4304,000 - 8,30011,000 - 15,00013,000 - 15,000
Moisture (%)7530 - 60< 15
Carbon (%)< 6060 - 7077 - 87> 87
Ash (%)Up to 1410 - 503 - 1210 - 20
Sulfur (%)0.4 – 1.00.7 – 4.00.6 - 0.8

Choices

Choice (4)Response

a.

5 GW

b.

10 GW

c.

500 GW

d.

50 GW

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Question 7

Appeared in Year: 2017

Question MCQ▾

Which of the following are useful indicators of pollution potential of organic effluents? (January)

(a) Total Organic Carbon (TOC)

(b) Biological Oxygen Demand (BOD)

(c) Turbidity

(d) Conductivity

Choose the correct code:

Choices

Choice (4)Response

a.

(a) and (b) only

b.

(a) and (c) only

c.

(b) and (d) only

d.

None of the above

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Question 8

Appeared in Year: 2017

Question MCQ▾

In an aquatic system, the presence of noxious gases such as H2S and CH4 is associated with: (January)

Choices

Choice (4)Response

a.

Absence of macrophytic vegetation

b.

Excess of dissolved oxygen

c.

Oxygen depletion

d.

Abundant algal growth

Edit