Internal Combustion Engines Stoichiometric ratio is Actual air-fuel ratio for maximum efficiency None of these Chemically correct air-fuel ratio by weight Chemically correct air-fuel ratio by volume Actual air-fuel ratio for maximum efficiency None of these Chemically correct air-fuel ratio by weight Chemically correct air-fuel ratio by volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Detonation is harmful due to High intensity of knock causes crankshaft vibration and the engine runs rough Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine None of these Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls High intensity of knock causes crankshaft vibration and the engine runs rough Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine None of these Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following statement is correct regarding normal cetane? All of these It is a standard fuel used for knock rating of diesel engines Its chemical name is normal hexadecane It has long carbon chain structure All of these It is a standard fuel used for knock rating of diesel engines Its chemical name is normal hexadecane It has long carbon chain structure ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open and close anywhere Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, if diesel is used, then the engine will Explode Run more efficiently Run at high speed Not run Explode Run more efficiently Run at high speed Not run ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine as compared to petrol engine (both running and rated load) is Equally efficient More efficient Other factors will decide it Less efficient Equally efficient More efficient Other factors will decide it Less efficient ANSWER DOWNLOAD EXAMIANS APP
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