Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engine the inlet valve Opens at 10° after top dead center and closes 20° before the bottom dead center Opens at 20° before top dead center and closes at 35° after the bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center Opens at 10° after top dead center and closes 20° before the bottom dead center Opens at 20° before top dead center and closes at 35° after the bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine? Inlet valve opening before top dead center Exhaust valve closing after top dead center Inlet valve closing after bottom dead center Inlet valve closing before bottom dead center Inlet valve opening before top dead center Exhaust valve closing after top dead center Inlet valve closing after bottom dead center Inlet valve closing before bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The self ignition temperature of petrol is _________ as compared to diesel oil. Higher Lower Same None of these Higher Lower Same None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The expansion of fuel in a four stroke cycle diesel engine Starts at 15° after top dead center and ends at 30° before bottom dead center May start and end anywhere Starts at 15° before top dead center and ends at 30° after top dead center Starts at top dead center and ends at 30° after top dead center Starts at 15° after top dead center and ends at 30° before bottom dead center May start and end anywhere Starts at 15° before top dead center and ends at 30° after top dead center Starts at top dead center and ends at 30° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A spark plug gap is kept from 0.3 to 0.7 mm 0.2 to 0.8 mm 0.6 to 1.0 mm 0.4 to 0.9 mm 0.3 to 0.7 mm 0.2 to 0.8 mm 0.6 to 1.0 mm 0.4 to 0.9 mm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The brake power of a diesel engine, keeping other parameters constant, can be increased by Increasing the pressure of intake air Decreasing the pressure of intake air Increasing the temperature of intake air Decreasing the density of intake air Increasing the pressure of intake air Decreasing the pressure of intake air Increasing the temperature of intake air Decreasing the density of intake air ANSWER DOWNLOAD EXAMIANS APP
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