Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by 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 Reducing the compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a None of these Spark plug Fuel pump Fuel injector None of these Spark plug Fuel pump Fuel injector ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following fuel has little tendency towards detonation? Normal heptane Iso-octane Alcohol Benzene Normal heptane Iso-octane Alcohol Benzene ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The higher combustion chamber wall temperature in compression ignition engines will _________ knocking tendency. Not effect Reduce None of these Increase Not effect Reduce None of these Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 35 bar 10 bar 20 bar 25 bar 35 bar 10 bar 20 bar 25 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the intake air temperature of I.C. engine increases, its efficiency will None of these Remain same Increase Decrease None of these Remain same Increase Decrease ANSWER DOWNLOAD EXAMIANS APP