Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Cannot work as it is impossible Flywheel size is proper It is properly designed Best quality fuel is used Cannot work as it is impossible Flywheel size is proper It is properly designed Best quality fuel is used ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Controlling the exhaust temperature Reducing the compression ratio Controlling the air-fuel mixture Controlling the ignition timing Controlling the exhaust temperature Reducing the compression ratio Controlling the air-fuel mixture Controlling the ignition timing 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. Twice Four-times Equal to One-half Twice Four-times Equal to One-half ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines It the temperature of intake air in IC engines is lowered, then its efficiency will Increase Increase up to certain limit and then decrease Decrease Remain same Increase Increase up to certain limit and then decrease Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane number of diesel oil, generally available, is 40 to 55 30 to 40 20 to 25 25 to 30 40 to 55 30 to 40 20 to 25 25 to 30 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging is usually done to increase Fuel consumption Thermal efficiency Speed Power output Fuel consumption Thermal efficiency Speed Power output ANSWER DOWNLOAD EXAMIANS APP
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