Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 35 bar 25 bar 10 bar 20 bar 35 bar 25 bar 10 bar 20 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel valve in a four stroke cycle diesel engine Opens at 15° after top dead center and closes at 20° before bottom dead center May open and close anywhere Opens at top dead center and closes at bottom dead center 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 May open and close anywhere Opens at top dead center and closes at bottom dead center Opens at 15° before top dead center and closes at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The compensating jet in a carburettor supplies almost constant amount of petrol at all speeds because the Flow is produced due to the static head in the float chamber Jet area is automatically varied depending on the suction The diameter of the jet is constant and the discharge coefficient is invariant The flow from the main jet is diverted to the compensating jet with increase in speed Flow is produced due to the static head in the float chamber Jet area is automatically varied depending on the suction The diameter of the jet is constant and the discharge coefficient is invariant The flow from the main jet is diverted to the compensating jet with increase in speed ANSWER DOWNLOAD EXAMIANS APP
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 Volumetric efficiency Overall efficiency Indicated thermal efficiency Mechanical efficiency Volumetric efficiency Overall efficiency Indicated thermal efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per B.P. hour for a petrol engine is about 0.2 kg 0.3 kg 0.25 kg 0.35 kg 0.2 kg 0.3 kg 0.25 kg 0.35 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cam shaft of a four stroke I.C. engine running at 1500 rpm will run at 750 rpm 3000 rpm 1500 rpm Any value independent of engine speed 750 rpm 3000 rpm 1500 rpm Any value independent of engine speed ANSWER DOWNLOAD EXAMIANS APP
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