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 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per B.P. hour for a diesel engine is about 0.35 kg 0.2 kg 0.3 kg 0.25 kg 0.35 kg 0.2 kg 0.3 kg 0.25 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine depends on Compression ratio Speed of engine Fuel used None of these Compression ratio Speed of engine Fuel used None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Stoichiometric ratio is Actual air-fuel ratio for maximum efficiency Chemically correct air-fuel ratio by weight None of these Chemically correct air-fuel ratio by volume Actual air-fuel ratio for maximum efficiency Chemically correct air-fuel ratio by weight None of these Chemically correct air-fuel ratio by volume ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The function of a distributor in a coil ignition system of I.C. engines is To time the spark To distribute current To distribute spark To distribute power To time the spark To distribute current To distribute spark To distribute power ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center May open and close anywhere Opens at bottom dead center and closes at top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center May open and close anywhere Opens at bottom dead center and closes at top dead center ANSWER DOWNLOAD EXAMIANS APP
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