Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Mechanical efficiency Overall efficiency Indicated thermal efficiency Volumetric efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is the process of Providing forced cooling air Injecting excess fuel for raising more loads Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Supplying compressed air to remove combustion products fully Providing forced cooling air Injecting excess fuel for raising more loads Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Supplying compressed air to remove combustion products fully ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at 50° before bottom dead center and closes at 15° after top dead center May open and close anywhere Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at bottom dead center and closes at top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center May open and close anywhere Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at bottom dead center and closes at top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The function of a distributor in a coil ignition system of I.C. engines is To distribute current To distribute power To distribute spark To time the spark To distribute current To distribute power To distribute spark To time the spark ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following does not relate to a compression ignition engine? Fuel pump Governor Fuel injector Carburettor Fuel pump Governor Fuel injector Carburettor ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mean effective pressure obtained from engine indicator indicates the Average pressure Instantaneous pressure at any instant Minimum pressure Maximum pressure developed Average pressure Instantaneous pressure at any instant Minimum pressure Maximum pressure developed ANSWER DOWNLOAD EXAMIANS APP