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Question (41)

QN0037661

Which of the following is a major use of natural gas as mentioned in the chapter?

(A) CNG for vehicles
(B) Only production of steel
(C) Only road construction
(D) Only cement production

Correct Answer: A

Explanation:

Natural gas is used as CNG for vehicles and PNG for domestic use, besides several industrial applications.

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Question (42)

QN0037662

The Hazira-Vijaipur-Jagdishpur (HVJ) pipeline was originally about 1,700 km long. Approximately how many times is 18,500 km compared with 1,700 km?

(A) 5.9 times
(B) 8.2 times
(C) 10.9 times
(D) 15.5 times

Correct Answer: C

Explanation:

18,500 ÷ 1,700 ≈ 10.9 times.

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Question (43)

QN0037663

Hydroelectricity is generated mainly from:

(A) Burning coal
(B) Fast-flowing water
(C) Petroleum refining
(D) Natural gas combustion

Correct Answer: B

Explanation:

Hydroelectricity is generated from fast-flowing water and is a renewable source of energy.

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Question (44)

QN0037664

Thermal electricity is mainly generated using:

(A) Sunlight and wind
(B) Coal, petroleum and natural gas
(C) Tidal waves only
(D) Biomass only

Correct Answer: B

Explanation:

Thermal electricity is produced by using fossil fuels such as coal, petroleum and natural gas.

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Question (45)

QN0037665

Which statement best explains the importance of non-conventional sources of energy?

(A) They increase dependence on fossil fuels
(B) They provide alternatives to limited fossil fuels and can reduce environmental problems
(C) They are all non-renewable
(D) They are available only underground

Correct Answer: B

Explanation:

Non-conventional sources help reduce dependence on fossil fuels and address energy and environmental concerns.

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Question (46)

QN0037666

Which combination is associated with nuclear energy resources in India?

(A) Uranium and thorium
(B) Coal and petroleum
(C) Limestone and mica
(D) Bauxite and manganese

Correct Answer: A

Explanation:

Nuclear energy uses uranium and thorium; Jharkhand and the Aravallis have uranium resources, while monazite in Kerala is rich in thorium.

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Question (47)

QN0037667

Solar photovoltaic technology converts:

(A) Sunlight directly into electricity
(B) Coal directly into electricity
(C) Wind directly into petroleum
(D) Water directly into coal

Correct Answer: A

Explanation:

Solar photovoltaic cells convert sunlight directly into electricity.

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Question (48)

QN0037668

Biogas is mainly produced from:

(A) Metallic ores
(B) Organic waste and animal dung
(C) Petroleum deposits
(D) Sea water

Correct Answer: B

Explanation:

Biogas is produced from organic waste, including animal dung, and is commonly called gobar gas.

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Question (49)

QN0037669

Which locations are particularly suitable for tidal energy generation in India?

(A) Jharia and Raniganj
(B) Gulf of Khambhat, Gulf of Kuchchh and the Sunderban region
(C) Koderma and Gaya
(D) Digboi and Naharkatiya

Correct Answer: B

Explanation:

The Gulf of Khambhat, Gulf of Kuchchh and Sunderban region have potential for tidal energy.

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Question (50)

QN0037670

Which combination represents a sustainable energy strategy?

(A) Increasing fossil-fuel use and wasting electricity
(B) Conservation of energy and greater use of renewable sources
(C) Burning more firewood and dung cakes
(D) Increasing dependence on only coal

Correct Answer: B

Explanation:

Sustainable energy use requires conservation, efficient use of electricity and greater reliance on renewable sources.

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Question (41)

Which of the following is a major use of natural gas as mentioned in the chapter?

Explanation:

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Question (42)

The Hazira-Vijaipur-Jagdishpur (HVJ) pipeline was originally about 1,700 km long. Approximately how many times is 18,500 km compared with 1,700 km?

Explanation:

Link:

Question (43)

Hydroelectricity is generated mainly from:

Explanation:

Link:

Question (44)

Thermal electricity is mainly generated using:

Explanation:

Link:

Question (45)

Which statement best explains the importance of non-conventional sources of energy?

Explanation:

Link:

Question (46)

Which combination is associated with nuclear energy resources in India?

Explanation:

Link:

Question (47)

Solar photovoltaic technology converts:

Explanation:

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Question (48)

Biogas is mainly produced from:

Explanation:

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Question (49)

Which locations are particularly suitable for tidal energy generation in India?

Explanation:

Link:

Question (50)

Which combination represents a sustainable energy strategy?

Explanation:

Link:

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