Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Reducing the compression ratio Controlling the ignition timing Controlling the exhaust temperature Controlling the air-fuel mixture Reducing the compression ratio Controlling the ignition timing Controlling the exhaust temperature Controlling the air-fuel mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Polymerization is a chemical process in which molecules of a compound become Liquid Smaller Larger Slowed down Liquid Smaller Larger Slowed down ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Between 85 and 95% Between 95 and 100% Between 50 and 85% Below 50% Between 85 and 95% Between 95 and 100% Between 50 and 85% Below 50% 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 The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Relative efficiency Efficiency ratio Net efficiency Overall efficiency Relative efficiency Efficiency ratio Net efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, the mixture has the lowest pressure at the Beginning of suction stroke None of these End of suction stroke End of compression stroke Beginning of suction stroke None of these End of suction stroke End of compression stroke ANSWER DOWNLOAD EXAMIANS APP
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