Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. Not effected Increase Decrease None of these Not effected Increase Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open or close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition quality of petrol is expressed by Octane number All of these Calorific value Cetane number Octane number All of these Calorific value Cetane number ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine is ___ as compared to petrol engine, both running at rated load. More efficient None of the listed here Equally efficient Less efficient More efficient None of the listed here Equally efficient Less efficient ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Net efficiency Efficiency ratio Relative efficiency Overall efficiency Net efficiency Efficiency ratio Relative efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The volumetric efficiency of a well designed engine may be 40 to 60% 60 to 70% 30 to 40% 75 to 90% 40 to 60% 60 to 70% 30 to 40% 75 to 90% ANSWER DOWNLOAD EXAMIANS APP
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