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Question (11)

QN005803

Which of the following is obtained from petroleum?

(A) Petrol
(B) Sand
(C) Clay
(D) Limestone

Correct Answer: A

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Question (12)

QN005804

A refinery processes 900 barrels of crude oil daily. How many barrels are processed in 7 days?

(A) 5400
(B) 6000
(C) 6300
(D) 7200

Correct Answer: C

Explanation:

900 × 7 = 6300 barrels.

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Question (13)

QN005805

Burning fossil fuels releases mainly:

(A) Carbon dioxide
(B) Oxygen
(C) Nitrogen only
(D) Helium

Correct Answer: A

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Question (14)

QN005806

A coal mine produces 1500 tonnes of coal per month. What is the production in 3 months?

(A) 3500 tonnes
(B) 4000 tonnes
(C) 4500 tonnes
(D) 5000 tonnes

Correct Answer: C

Explanation:

1500 × 3 = 4500 tonnes.

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Question (15)

QN005807

Which fossil fuel is generally used in thermal power plants?

(A) Coal
(B) Water
(C) Wind
(D) Sunlight

Correct Answer: A

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Question (16)

QN005808

Why should fossil fuels be used carefully?

(A) They are limited in quantity
(B) They increase oxygen in air
(C) They are renewable
(D) They grow naturally every year

Correct Answer: A

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Question (17)

QN005809

A family uses 12 kg of LPG in a month. How much LPG will be used in 6 months?

(A) 60 kg
(B) 72 kg
(C) 84 kg
(D) 96 kg

Correct Answer: B

Explanation:

12 × 6 = 72 kg.

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Question (18)

QN005810

Which process led to the formation of fossil fuels?

(A) Decomposition and compression of ancient organisms
(B) Evaporation of seawater
(C) Condensation of clouds
(D) Freezing of rocks

Correct Answer: A

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Question (19)

QN005811

A natural gas plant supplies 2500 cubic metres of gas daily. How much gas is supplied in 10 days?

(A) 20000 m³
(B) 22500 m³
(C) 25000 m³
(D) 27500 m³

Correct Answer: C

Explanation:

2500 × 10 = 25000 m³.

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Question (20)

QN005812

Which fossil fuel is a thick liquid found underground?

(A) Petroleum
(B) Coal
(C) Coke
(D) Charcoal

Correct Answer: A

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Question (11)

Which of the following is obtained from petroleum?

Explanation:

Link:

Question (12)

A refinery processes 900 barrels of crude oil daily. How many barrels are processed in 7 days?

Explanation:

Link:

Question (13)

Burning fossil fuels releases mainly:

Explanation:

Link:

Question (14)

A coal mine produces 1500 tonnes of coal per month. What is the production in 3 months?

Explanation:

Link:

Question (15)

Which fossil fuel is generally used in thermal power plants?

Explanation:

Link:

Question (16)

Why should fossil fuels be used carefully?

Explanation:

Link:

Question (17)

A family uses 12 kg of LPG in a month. How much LPG will be used in 6 months?

Explanation:

Link:

Question (18)

Which process led to the formation of fossil fuels?

Explanation:

Link:

Question (19)

A natural gas plant supplies 2500 cubic metres of gas daily. How much gas is supplied in 10 days?

Explanation:

Link:

Question (20)

Which fossil fuel is a thick liquid found underground?

Explanation:

Link:

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