IC Engines and Nuclear Power Plants MCQ with Answers

IC Engines and Nuclear Power Plants MCQ with Answers

166) If the temperature of intake air in internal combustion engine increases, then its efficiency will

Answer is:

decrease

167) In a coil ignition system of petrol engines, a condenser is connected across the contact-breaker in order to

Answer is:

prevent sparking across the gap between the points and cause more rapid break of the primary current, giving a higher voltage in the secondary circuit

168) Which of the following statement is correct regarding normal cetaine?

Answer is:

all ofthe above

169) Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has

Answer is:

low moderating efficiency

170) As compared to air standard cycle, in actual working, the effect of variation in specific heats is to

Answer is:

reduce maximum pressure and maximum temperature

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