Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Overall efficiency Relative efficiency Net efficiency Efficiency ratio Overall efficiency Relative efficiency Net efficiency Efficiency ratio 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 The flow from the main jet is diverted to the compensating jet with increase in speed Jet area is automatically varied depending on the suction The diameter of the jet is constant and the discharge coefficient is invariant Flow is produced due to the static head in the float chamber The flow from the main jet is diverted to the compensating jet with increase in speed Jet area is automatically varied depending on the suction The diameter of the jet is constant and the discharge coefficient is invariant ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is Less or more depending on operating conditions More Less Same Less or more depending on operating conditions More Less Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines An engine indicator is used to determine the following m.e.p. and I.H.P. Volume of cylinder Speed Temperature m.e.p. and I.H.P. Volume of cylinder Speed Temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The Cipoletti weir is a __________ weir. Rectangular Triangular Circular Trapezoidal Rectangular Triangular Circular Trapezoidal ANSWER DOWNLOAD EXAMIANS APP