Internal Combustion Engines Air fuel ratio at which a petrol engine cannot work is 0.33402777777778 20 : 1 and less 0.62569444444444 0.41736111111111 0.33402777777778 20 : 1 and less 0.62569444444444 0.41736111111111 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Best quality fuel is used It is properly designed Cannot work as it is impossible Flywheel size is proper Best quality fuel is used It is properly designed Cannot work as it is impossible Flywheel size is proper ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Antiknock for compression ignition engines is Tetra ethyl lead Hexadecane Amyl nitrate Napthene Tetra ethyl lead Hexadecane Amyl nitrate Napthene ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel in diesel engine is normally injected at pressure of 60-80 kg/cm² 90-130 kg/cm² 20-25 kg/cm² 5-10 kg/cm² 60-80 kg/cm² 90-130 kg/cm² 20-25 kg/cm² 5-10 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Detonation is harmful due to High intensity of knock causes crankshaft vibration and the engine runs rough Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls None of these Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine High intensity of knock causes crankshaft vibration and the engine runs rough Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls None of these Increase in the rate of heat transfer, there is a reduction in the power output and efficiency of the engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion 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 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 ANSWER DOWNLOAD EXAMIANS APP
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