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 None of these 1 - (1/rγ - 1) 1 + rγ - 1 1 - rγ - 1 None of these 1 - (1/rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the speed of the engine is increased, the indicated power will Increase None of these Decrease Remain same Increase None of these Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression loss in I.C engines occurs due to Leaking piston rings All of these Clogged air inlet slots Use of thick head gasket Leaking piston rings All of these Clogged air inlet slots Use of thick head gasket ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The colour of exhaust from diesel engine is generally Black White Bluish Violet Black White Bluish Violet ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the compression Starts at top dead center and ends at 40° before bottom dead center May start and end anywhere Starts at 40° after bottom dead center and ends at 10° before top dead center Starts at 40° before top dead center and ends at 40° after top dead center Starts at top dead center and ends at 40° before bottom dead center May start and end anywhere Starts at 40° after bottom dead center and ends at 10° before top dead center Starts at 40° before top dead center and ends at 40° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine, during suction stroke, draws None of these Diesel only Air only A mixture of diesel and air None of these Diesel only Air only A mixture of diesel and air ANSWER DOWNLOAD EXAMIANS APP
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