Internal Combustion Engines The thermal efficiency of a petrol engine is _________ as compared to diesel engine. None of these Same Less More None of these Same Less More ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to mix air and petrol in the required proportion and to supply it to the engine during suction stroke, then ___ is employed. Fuel pump Injector Carburettor None of the listed here Fuel pump Injector Carburettor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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 Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Cannot work as it is impossible Best quality fuel is used Flywheel size is proper It is properly designed Cannot work as it is impossible Best quality fuel is used Flywheel size is proper It is properly designed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the compression 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 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure and temperature at the end of compression stroke in a petrol engine are of the order of 6-12 kg/cm² and 250-350°C 12-20 kg/cm² and 350-450°C 20-30 kg/cm² and 450-500°C 4-6 kg/cm² and 200-250°C 6-12 kg/cm² and 250-350°C 12-20 kg/cm² and 350-450°C 20-30 kg/cm² and 450-500°C 4-6 kg/cm² and 200-250°C ANSWER DOWNLOAD EXAMIANS APP
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