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) None of these 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 None of these 1 - (1/rγ - 1) 1 - rγ - 1 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to Any one of the listed here Overheated spark plug points Cylinder walls being too hot Red hot carbon deposits on cylinder walls Any one of the listed here Overheated spark plug points Cylinder walls being too hot Red hot carbon deposits on cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine depends on Speed of engine Fuel used Compression ratio None of these Speed of engine Fuel used Compression ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A petrol engine, during suction stroke draws None of these Petrol only Air only A mixture of petrol and air None of these Petrol only Air only A mixture of petrol and air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed. Half Four times Same Double Half Four times Same Double ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The reason for supercharging in any engine is to Increase power Effect fuel economy Increase efficiency Reduce weight and bulk for a given output Increase power Effect fuel economy Increase efficiency Reduce weight and bulk for a given output ANSWER DOWNLOAD EXAMIANS APP
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