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 Overall efficiency Volumetric efficiency Indicated thermal efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Crankcase explosion in I.C. engines usually occurs as Never occurs First a mild explosion followed by a bi explosion Both mild and big explosions occurs simultaneously First a big explosion followed by a mil explosion Never occurs First a mild explosion followed by a bi explosion Both mild and big explosions occurs simultaneously First a big explosion followed by a mil explosion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine Opens at 15° before top dead center and closes at 20° after top dead center Opens at 15° 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 15° before top dead center and closes at 20° after top dead center Opens at 15° 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The increase of efficiency of a compression ignition engine, as the load decreases, is due to Higher maximum temperature Quantitative governing Qualitative governing Hit and miss governing Higher maximum temperature Quantitative governing Qualitative governing Hit and miss governing 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 = I.P/B.P ηm = B.P/I.P ηm = (B.P × I.P)/100 None of these ηm = I.P/B.P ηm = B.P/I.P ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed. Same Double Half Four times Same Double Half Four times ANSWER DOWNLOAD EXAMIANS APP
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