Internal Combustion Engines The thermal efficiency of petrol and gas engines is about 0.5 0.7 0.3 0.15 0.5 0.7 0.3 0.15 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the compression Starts at bottom dead centre and ends at top dead centre May start and end anywhere Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at bottom dead centre and ends at top dead centre May start and end anywhere Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called Overall efficiency Mechanical efficiency Relative efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Relative efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure into the engine cylinder is known as Delay period Supercharging Turbulence Carburetion Delay period Supercharging Turbulence Carburetion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine Four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine Four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is the process of Injecting excess fuel for raising more loads Supplying compressed air to remove combustion products fully Providing forced cooling air Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Injecting excess fuel for raising more loads Supplying compressed air to remove combustion products fully Providing forced cooling air Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere ANSWER DOWNLOAD EXAMIANS APP
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