Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve May open and close anywhere Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at bottom dead centre and closes at top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre May open and close anywhere Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at bottom dead centre and closes at top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre 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 In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a None of these Spark plug Fuel pump Fuel injector None of these Spark plug Fuel pump Fuel injector ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Solid fuel fabricated into various small shapes, which are assembled to form fuel elements, is in the form of Pins All of these Plates Pallets Pins All of these Plates Pallets 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 Cannot work as it is impossible It is properly designed Best quality fuel is used Flywheel size is proper Cannot work as it is impossible It is properly designed Best quality fuel is used Flywheel size is proper ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging air in diesel engine means Air used for forcing burnt gases out of engine's cylinder during the exhaust period Forced air for cooling cylinder Burnt air containing products of combustion Air used for combustion sent under pressure Air used for forcing burnt gases out of engine's cylinder during the exhaust period Forced air for cooling cylinder Burnt air containing products of combustion Air used for combustion sent under pressure ANSWER DOWNLOAD EXAMIANS APP
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