Internal Combustion Engines The knocking in diesel engines may be prevented by All of these Raising the compression ratio Reducing the delay period Increasing the inlet pressure of air All of these Raising the compression ratio Reducing the delay period Increasing the inlet pressure of air ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The voltage required to produce a spark across the gap, between the sparking points is 10,000 to 12,000 volts 2000 to 4000 volts 6000 to 10,000 volts 4000 to 6000 volts 10,000 to 12,000 volts 2000 to 4000 volts 6000 to 10,000 volts 4000 to 6000 volts ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in diesel engines, is approximately 25 bar 35 bar 20 bar 10 bar 25 bar 35 bar 20 bar 10 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The minimum cranking speed in case of petrol engine is about One fourth of operating speed 250 - 300 rpm 60 - 80 rpm Half the operating speed One fourth of operating speed 250 - 300 rpm 60 - 80 rpm Half the operating speed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is the process of Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Providing forced cooling air Injecting excess fuel for raising more loads Supplying compressed air to remove combustion products fully Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Providing forced cooling air Injecting excess fuel for raising more loads Supplying compressed air to remove combustion products fully ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m. One-half Equal to Four-times Twice One-half Equal to Four-times Twice ANSWER DOWNLOAD EXAMIANS APP
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