Exercise: Ic Engines And Nuclear Power Plants

Questions for: Ic Engines And Nuclear Power Plants

The volumetric efficiency ofa well designed engine may be
A:
30 to 40%
B:
40 to 60%
C:
60 to 70%
D:
75 to 90%
Answer: D
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The relative efficiency of an I.C. engine is the ratio of the indicated thermal efficiency to the air standard efficiency.
A:
Correct
B:
Incorrect
C:
D:
Answer: A
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If the compression ratio in I.C. engine increases, then its thermal efficiency will
A:
decrease
B:
increase
C:
remain same
D:
Answer: B
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The air-fuel ratio of the petrol engine is controlled by
A:
carburettor
B:
injector
C:
governor
D:
none of these
Answer: A
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The loud pulsating noise heard within the cylinder of an internal combustion engine is known as
A:
detonation
B:
turbulence
C:
pre-ignition
D:
supercharging
Answer: A
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