Internal Combustion Engines The size of inlet valve of an engine in comparison to exhaust valve is Less More Same More/less depending on capacity of engine Less More Same More/less depending on capacity of engine 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 Starts at 30° before top dead center and ends at 50° before bottom dead center May start and end anywhere 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 Starts at 30° before top dead center and ends at 50° before bottom dead center May start and end anywhere Starts at top dead center and ends at bottom dead center 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 May open or close anywhere 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 Opens at top dead center and closes at bottom dead center May open or close anywhere 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Mechanical efficiency Overall efficiency Indicated thermal efficiency Volumetric efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A petrol engine, during suction stroke draws Petrol only A mixture of petrol and air Air only None of these Petrol only A mixture of petrol and air Air only None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane (C₁₆H₃₄) which is a straight chain paraffin, is assigned a cetane number of 120 100 0 50 120 100 0 50 ANSWER DOWNLOAD EXAMIANS APP