Internal Combustion Engines The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called Relative efficiency Mechanical efficiency Volumetric efficiency Overall efficiency Relative efficiency Mechanical efficiency Volumetric efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A supercharged engine as compared to an ordinary engine Requires smaller foundation All of these Is lighter Consumes less lubricating oil Requires smaller foundation All of these Is lighter Consumes less lubricating oil ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is More Less Less or more depending on operating conditions Same More Less Less or more depending on operating conditions Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermodynamic cycle on which the petrol engine works, is Otto cycle Joule cycle Stirling cycle Rankine cycle Otto cycle Joule cycle Stirling cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at top dead center and ends at bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at top dead center and ends at bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a cycle, the spark lasts roughly for 1 sec 0.01 sec 0.1 sec 0.001 sec 1 sec 0.01 sec 0.1 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP