Internal Combustion Engines In a four stroke cycle petrol engine, the compression Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at bottom dead centre and ends at top dead centre Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre May start and end anywhere Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at bottom dead centre and ends at top dead centre Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the temperature of intake air in internal combustion engine increases, then its efficiency will Increase Decrease None of the listed here Remain same Increase Decrease None of the listed here Remain same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure into the engine cylinder is known as Supercharging Delay period Carburetion Turbulence Supercharging Delay period Carburetion Turbulence 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 Volumetric efficiency Relative efficiency Overall efficiency Mechanical efficiency Volumetric efficiency Relative efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is false statement? Oil sludge in the engine crank case Formation of hard coating on piston skirts Piston ring and cylinder wear Detonation Oil sludge in the engine crank case Formation of hard coating on piston skirts Piston ring and cylinder wear Detonation ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a diesel engine, the duration between the time of injection and ignition, is known as Period of ignition Delay period Burning period Pre-ignition period Period of ignition Delay period Burning period Pre-ignition period ANSWER DOWNLOAD EXAMIANS APP
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