Internal Combustion Engines The thermal efficiency of diesel engines is about 0.7 0.15 0.5 0.3 0.7 0.15 0.5 0.3 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 Mechanical efficiency Indicated thermal efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The purpose of testing an internal combustion engine is To conform the data used in design, the validity of which may be doubtful All of these To satisfy the customer regarding the performance of the engine To determine the information, which cannot be obtained by calculations To conform the data used in design, the validity of which may be doubtful All of these To satisfy the customer regarding the performance of the engine To determine the information, which cannot be obtained by calculations ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged? To some extent No Unpredictable Yes To some extent No Unpredictable Yes ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A stoichiometric air-fuel ratio is Rich mixture for over loads Lean mixture Chemically correct mixture Rich mixture for idling Rich mixture for over loads Lean mixture Chemically correct mixture Rich mixture for idling ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The compensating jet in a carburettor supplies almost constant amount of petrol at all speeds because the The diameter of the jet is constant and the discharge coefficient is invariant Jet area is automatically varied depending on the suction 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 The diameter of the jet is constant and the discharge coefficient is invariant Jet area is automatically varied depending on the suction 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 ANSWER DOWNLOAD EXAMIANS APP