Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at 10° before top dead center and ends at 20° after top dead center Fuel injection starts at just before top dead center and ends just after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center May start and end anywhere Fuel injection starts at 10° before top dead center and ends at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition quality of diesel oil is expressed by None of the listed here Octane number Calorific value Cetane number None of the listed here Octane number Calorific value Cetane number ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines By higher octane number of spark ignition fuel, it is meant that the fuel has Lower volatility Longer ignition delay Higher heating value Higher flash point Lower volatility Longer ignition delay Higher heating value Higher flash point ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine. Low Very high Very low High Low Very high Very low High ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after 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 top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 40° after bottom dead center May open or close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = (B.P × I.P)/100 None of these ηm = B.P/I.P ηm = I.P/B.P ηm = (B.P × I.P)/100 None of these ηm = B.P/I.P ηm = I.P/B.P ANSWER DOWNLOAD EXAMIANS APP
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