Internal Combustion Engines The volumetric efficiency of a well designed engine may be 40 to 60% 30 to 40% 75 to 90% 60 to 70% 40 to 60% 30 to 40% 75 to 90% 60 to 70% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The tangential velocity of the water element having a free vortex is Directly proportional to its (distance)2 from the centre Inversely proportional to its (distance)2 from the centre Directly proportional to its distance from the centre Inversely proportional to its distance from the centre Directly proportional to its (distance)2 from the centre Inversely proportional to its (distance)2 from the centre Directly proportional to its distance from the centre Inversely proportional to its distance from the centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engine the inlet valve 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 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines When crude oil is heated, then which of the following hydrocarbon is given off first? Kerosene Paraffin Natural gas Gasoline Kerosene Paraffin Natural gas Gasoline 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 Increasing the temperature of intake air Decreasing the density of intake air Decreasing the pressure of intake air Increasing the pressure of intake air Increasing the temperature of intake air Decreasing the density of intake air Decreasing the pressure of intake air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The voltage required to produce a spark across the gap, between the sparking points is 6000 to 10,000 volts 2000 to 4000 volts 10,000 to 12,000 volts 4000 to 6000 volts 6000 to 10,000 volts 2000 to 4000 volts 10,000 to 12,000 volts 4000 to 6000 volts ANSWER DOWNLOAD EXAMIANS APP
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