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




11.In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is _____ the atmospheric pressure.
A. equal to
B. below
C. above
D. none of above

12.A diesel engine is ______ as compared to petrol engine, both running at rated load.
A. equally efficient
B. less efficient
C. more efficient
D. none of above

13.Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine ?
A. inlet valve closing after bottom dead centre
B. inlet valve closing before bottom dead centre
C. inlet valve opening before top dead centre
D. exhaust valve closing after top dead centre

14.The pressure at the end of compression, in petrol engines, is approximately
A. 10 bar
B. 20 bar
C. 25 bar
D. 35 bar

15.Solid fuel fabricated into various small shapes, which are assembled to form fuel elements, is in the form of
A. plates
B. pallets
C. pins
D. all of these

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