Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Reducing the compression ratio Controlling the ignition timing Controlling the air-fuel mixture Controlling the exhaust temperature Reducing the compression ratio Controlling the ignition timing Controlling the air-fuel mixture Controlling the exhaust temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The _________ engines can work on very lean mixture of fuel. None of these Compression ignition Both (A) and (B) Spark ignition None of these Compression ignition Both (A) and (B) Spark ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum propulsive efficiency of a turbojet engine is at a speed of 2000 km/h 1000 km/h 2400 km/h 3000 km/h 2000 km/h 1000 km/h 2400 km/h 3000 km/h ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The self ignition temperature of petrol is _________ as compared to diesel oil. Lower Higher Same None of these Lower Higher Same None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Thermal efficiency of a two stroke cycle engine is ___ a four stroke cycle engine. Greater than None of the listed here Equal to Less than Greater than None of the listed here Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the Beginning of suction stroke Beginning of exhaust stroke End of suction stroke End of exhaust stroke Beginning of suction stroke Beginning of exhaust stroke End of suction stroke End of exhaust stroke ANSWER DOWNLOAD EXAMIANS APP