Internal Combustion Engines The working pressure and temperature inside the cylinder of an internal combustion engine is _________ as compared to a steam engine. Low High Very low Very high Low High Very low Very high ANSWER DOWNLOAD EXAMIANS APP
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 top dead center and closes at bottom dead center May open and close anywhere Opens at 20° before top dead center and closes at 40° after bottom dead center 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 May open and close anywhere Opens at 20° before top dead center and closes at 40° after bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P None of the listed here ηm = (B.P × I.P)/100 ηm = B.P/I.P ηm = I.P/B.P None of the listed here ηm = (B.P × I.P)/100 ηm = B.P/I.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is Less More May be more or less depending on engine capacity Same Less More May be more or less depending on engine capacity Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A supercharged engine as compared to an ordinary engine All of these Is lighter Consumes less lubricating oil Requires smaller foundation All of these Is lighter Consumes less lubricating oil Requires smaller foundation 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 Heating incoming air Supercharging Scavenging Feeding more fuel Heating incoming air Supercharging ANSWER DOWNLOAD EXAMIANS APP