Mechanical Engineering - IC Engines and Nuclear Power Plants

1. 

A supercharger receives air from the atmosphere surrounding the engine, compresses it to a higher pressure and then feeds it into the inlet valve of the engine.

A. Correct
B. Incorrect

Answer: Option A

Explanation:

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2. 

Iso-octane (C8H18) has octane number of

A. 0
B. 50
C. 100
D. 120

Answer: Option C

Explanation:

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3. 

The brake power is always greater than indicated power.

A. Agree
B. Disagree

Answer: Option B

Explanation:

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4. 

An ignition coil in the spark ignition engines supplies __________ voltage to the spark plug.

A. high
B. low

Answer: Option A

Explanation:

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5. 

The operation of forcing additional air under pressure into the engine cylinder is known as

A. supercharging
B. carburation
C. turbulence
D. delay period

Answer: Option A

Explanation:

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