Internal Combustion Engines The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called Relative efficiency Net efficiency Efficiency ratio Overall efficiency Relative efficiency Net efficiency Efficiency ratio Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines It the temperature of intake air in IC engines is lowered, then its efficiency will Decrease Increase up to certain limit and then decrease Remain same Increase Decrease Increase up to certain limit and then decrease Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, advancing of the spark timing will ___ the knocking tendency. Increase Not effect None of the listed here Decrease Increase Not effect None of the listed here Decrease ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines An hmh flame speed is obtained in diesel engine when air fuel ratio is Uniform throughout the mixture About 35% of rich mixture About 10% of rich mixture Chemically correct mixture Uniform throughout the mixture About 35% of rich mixture About 10% of rich mixture Chemically correct mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion Starts at top dead center and ends at bottom dead center May start and end anywhere Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center Starts at top dead center and ends at bottom dead center May start and end anywhere Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a diesel engine, the duration between the time of injection and ignition, is known as Burning period Pre-ignition period Period of ignition Delay period Burning period Pre-ignition period Period of ignition Delay period ANSWER DOWNLOAD EXAMIANS APP