Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve 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 and 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 and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The actual volume of fresh charge admitted in 4-stroke petrol engine is Equal to stroke volume and clearance volume Equal to stroke volume More than stroke volume Less than stroke volume Equal to stroke volume and clearance volume Equal to stroke volume More than stroke volume Less than stroke volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in diesel engines, is approximately 10 bar 20 bar 25 bar 35 bar 10 bar 20 bar 25 bar 35 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The output of a diesel engine can be increased without increasing the engine revolution or size in following way Scavenging Feeding more fuel Supercharging Heating incoming air Scavenging Feeding more fuel Supercharging Heating incoming air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines By higher octane number of spark ignition fuel, it is meant that the fuel has Higher flash point Longer ignition delay Lower volatility Higher heating value Higher flash point Longer ignition delay Lower volatility Higher heating value ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engine the inlet valve Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at top dead center and closes at bottom dead center Opens at 10° after top dead center and closes 20° before the bottom dead center May open or close anywhere Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at top dead center and closes at bottom dead center Opens at 10° after top dead center and closes 20° before the bottom dead center May open or close anywhere ANSWER DOWNLOAD EXAMIANS APP
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