Internal Combustion Engines In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure. Above Equal to None of these Below Above Equal to None of these Below ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. Not effected None of these Decrease Increase Not effected None of these Decrease Increase 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 1 - (1/rγ - 1) None of these 1 - rγ - 1 1 + rγ - 1 1 - (1/rγ - 1) None of these 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A petrol engine has compression ratio from 15 to 25 6 to 10 25 to 40 10 to 15 15 to 25 6 to 10 25 to 40 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a two stroke cycle engine is ____ the speed of the engine in r.p.m. Twice One-half Four-times Equal to Twice One-half Four-times Equal to ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Engine pistons are usually made of aluminium alloy because it Wear is less Is lighter Is stronger Absorbs shocks Wear is less Is lighter Is stronger Absorbs shocks ANSWER DOWNLOAD EXAMIANS APP
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