Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Controlling the air-fuel mixture Controlling the ignition timing Reducing the compression ratio Controlling the exhaust temperature Controlling the air-fuel mixture Controlling the ignition timing Reducing the compression ratio Controlling the exhaust temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In diesel engine, the compression ratio in comparison to expansion ratio is Less More Variable Same Less More Variable Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The term scavenging is generally associated with High efficiency engines 2-stroke cycle engines 4-stroke cycle engines Aeroplane engines High efficiency engines 2-stroke cycle engines 4-stroke cycle engines Aeroplane engines ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the compression ratio in I.C. engine increases, then its thermal efficiency will None of these Decrease Remain same Increase None of these Decrease Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cam shaft of a four stroke I.C. engine running at 1500 rpm will run at 3000 rpm Any value independent of engine speed 750 rpm 1500 rpm 3000 rpm Any value independent of engine speed 750 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression in the case of diesel engine is of the order of 35 kg/cm 12 kg/cm 6 kg/cm 20 kg/cm 35 kg/cm 12 kg/cm 6 kg/cm 20 kg/cm ANSWER DOWNLOAD EXAMIANS APP
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