IC Engines and Nuclear Power Plants - Data Intensity 3 Multiple Questions and Answers.




16.The turbine of the turbo-prop engine is __________ that of the turbo-jet engine.
A. same as
B. smaller than
C. bigger than
D. none of above

17.A higher compression ratio causes
A. pre-ignition
B. increase in detonation
C. an acceleration in the rate of combustion
D. any one of these

18.Which of the following statement is correct ?
A. Compression ratio for petrol engines varies from 6 to 10.
B. Higher compression ratio in diesel engines results in higher pressures.
C. Petrol engines work on Otto cycle.
D. all of the above

19.The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is
A. four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine
B. four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine
C. four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine
D. two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine

20.The combustion in compression ignition engines is
A. homogeneous
B. hetrogeneous
C. both (a) and (b)
D. none of these

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