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Question (31)

QN005823

A bus fleet uses 180 litres of diesel per day. How much diesel is required for 15 days?

(A) 2400 litres
(B) 2500 litres
(C) 2700 litres
(D) 3000 litres

Correct Answer: C

Explanation:

180 × 15 = 2700 litres.

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Question (32)

QN005824

Why are fossil fuels important to society?

(A) They provide energy for transport, industries and homes
(B) They produce rain directly
(C) They create soil instantly
(D) They replace minerals

Correct Answer: A

Explanation:

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Question (33)

QN005825

A coal mine produced 12,500 tonnes of coal last year and 13,000 tonnes this year. What is the increase in production?

(A) 250 tonnes
(B) 500 tonnes
(C) 750 tonnes
(D) 1000 tonnes

Correct Answer: B

Explanation:

13,000 − 12,500 = 500 tonnes.

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Question (34)

QN005826

Which fuel is commonly used in compressed form as CNG?

(A) Natural gas
(B) Coal
(C) Petrol
(D) Kerosene

Correct Answer: A

Explanation:

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Question (35)

QN005827

A household saves 5 litres of petrol each week by carpooling. How much petrol is saved in 20 weeks?

(A) 50 litres
(B) 75 litres
(C) 100 litres
(D) 125 litres

Correct Answer: C

Explanation:

5 × 20 = 100 litres.

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Question (36)

QN005828

Which practice reduces the consumption of fossil fuels?

(A) Switching off unused electrical appliances
(B) Driving short distances unnecessarily
(C) Burning waste fuel openly
(D) Keeping lights on all day

Correct Answer: A

Explanation:

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Question (37)

QN005829

A petroleum reserve initially contains 95,000 barrels. If 15,000 barrels are extracted, how many barrels remain?

(A) 70,000
(B) 75,000
(C) 80,000
(D) 85,000

Correct Answer: C

Explanation:

95,000 − 15,000 = 80,000 barrels.

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Question (38)

QN005830

Which observation best indicates that fossil fuels are finite resources?

(A) Their reserves decrease when extracted and used
(B) They are formed every day
(C) They increase automatically underground
(D) They are unlimited in supply

Correct Answer: A

Explanation:

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Question (39)

QN005831

A factory consumes 240 tonnes of coal in 8 days. What is its average daily coal consumption?

(A) 20 tonnes
(B) 25 tonnes
(C) 30 tonnes
(D) 35 tonnes

Correct Answer: C

Explanation:

240 ÷ 8 = 30 tonnes.

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Question (40)

QN005832

Why is it important to explore alternative energy sources besides fossil fuels?

(A) Fossil fuels are limited and can cause pollution
(B) Fossil fuels produce oxygen
(C) Alternative sources do not exist
(D) Fossil fuels are renewable resources

Correct Answer: A

Explanation:

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Question (31)

A bus fleet uses 180 litres of diesel per day. How much diesel is required for 15 days?

Explanation:

Link:

Question (32)

Why are fossil fuels important to society?

Explanation:

Link:

Question (33)

A coal mine produced 12,500 tonnes of coal last year and 13,000 tonnes this year. What is the increase in production?

Explanation:

Link:

Question (34)

Which fuel is commonly used in compressed form as CNG?

Explanation:

Link:

Question (35)

A household saves 5 litres of petrol each week by carpooling. How much petrol is saved in 20 weeks?

Explanation:

Link:

Question (36)

Which practice reduces the consumption of fossil fuels?

Explanation:

Link:

Question (37)

A petroleum reserve initially contains 95,000 barrels. If 15,000 barrels are extracted, how many barrels remain?

Explanation:

Link:

Question (38)

Which observation best indicates that fossil fuels are finite resources?

Explanation:

Link:

Question (39)

A factory consumes 240 tonnes of coal in 8 days. What is its average daily coal consumption?

Explanation:

Link:

Question (40)

Why is it important to explore alternative energy sources besides fossil fuels?

Explanation:

Link:

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