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Important questions on Petroleum And Natural Gas

HARD

Which of the following is best to be used as fuel

A

Oil

B

Wood

C

Coal

D

Natural gas

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HARD
Assertion

Knocking involves the production of metallic sound due to irregular burning of the fuel. This irregular burning lowers the efficiency of the engine.

Reason

Fuel with minimum knocking property is preferred.

A

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

B

Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

C

Assertion is correct but Reason is incorrect

D

Both Assertion and Reason are incorrect

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HARD

Write the uses of the substance C.N.G.

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HARD

Which type of solution is petrol?

A

Liquid-liquid

B

Liquid-solid

C

Liquid-gas

D

Sold-liquid

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HARD

Compared to oil, an advantage of using natural gas is that it:

A

prevents respiratory problems

B

prevents headaches

C

causes less air pollution

D

prevents over combustion

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