Internal Combustion Engines Detonation is harmful due to Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls None of these 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 Excessive turbulence which removes most of the insulating gas boundary layer from the cylinder walls None of these 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 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 Same Less or more depending on operating conditions More Less Same Less or more depending on operating conditions ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The inlet value of a four stroke cycle I.C engine remains open for nearly 180° 125° 235° 200° 180° 125° 235° 200° 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 It is properly designed Cannot work as it is impossible Best quality fuel is used Flywheel size is proper It is properly designed Cannot work as it is impossible Best quality fuel is used Flywheel size is proper ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition quality of petrol is expressed by Cetane number All of these Calorific value Octane number Cetane number All of these Calorific value Octane number ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine has compression ratio from 15 to 25 10 to 15 25 to 40 6 to 10 15 to 25 10 to 15 25 to 40 6 to 10 ANSWER DOWNLOAD EXAMIANS APP
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