Internal Combustion Engines In a four stroke cycle petrol engine, the inlet valve Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center May open or close anywhere Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at top dead center and closes at bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center May open or close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre May open and close anywhere Opens at bottom dead centre and closes at top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre Opens at 30° before bottom dead centre and closes at 10° after top dead centre May open and close anywhere Opens at bottom dead centre and closes at top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A spark plug gap is kept from 0.3 to 0.7 mm 0.6 to 1.0 mm 0.4 to 0.9 mm 0.2 to 0.8 mm 0.3 to 0.7 mm 0.6 to 1.0 mm 0.4 to 0.9 mm 0.2 to 0.8 mm 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 + 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 The specific fuel consumption per BHP hour for diesel engine is approximately 0.15 kg 0.2 kg 0.25 kg 0.3 kg 0.15 kg 0.2 kg 0.25 kg 0.3 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A flow in which the quantity of liquid flowing per second is constant, is called __________ flow. Unsteady Streamline Steady Turbulent Unsteady Streamline Steady Turbulent ANSWER DOWNLOAD EXAMIANS APP
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