IC Engines and Nuclear Power Plants MCQ with Answers

IC Engines and Nuclear Power Plants MCQ with Answers

221) The loud pulsating noise heard within the cylinder of an internal combustion engine is known as

Answer is:

detonation

222) The air-fuel ratio of the petrol engine is controlled by

Answer is:

carburettor

223) If the compression ratio in I.C. engine increases, then its thermal efficiency will

Answer is:

increase

224) The relative efficiency of an I.C. engine is the ratio of the indicated thermal efficiency to the air standard efficiency.

Answer is:

Correct

225) The volumetric efficiency ofa well designed engine may be

Answer is:

75 to 90%