Internal Combustion Engines The knocking tendency in spark ignition engines may be decreased by Controlling the exhaust temperature 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel in diesel engine is normally injected at pressure of 90-130 kg/cm² 20-25 kg/cm² 60-80 kg/cm² 5-10 kg/cm² 90-130 kg/cm² 20-25 kg/cm² 60-80 kg/cm² 5-10 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum propulsive efficiency of a turbojet engine is at a speed of 3000 km/h 2000 km/h 2400 km/h 1000 km/h 3000 km/h 2000 km/h 2400 km/h 1000 km/h ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then propulsive efficiency of a turbojet engine is V₀ / (V₀ + V₁) 2V₁ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₀ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₁ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₀ / (V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The higher combustion chamber wall temperature in compression ignition engines will _________ knocking tendency. Not effect Increase None of these Reduce Not effect Increase None of these Reduce ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The term scavenging is generally associated with 4-stroke cycle engines 2-stroke cycle engines Aeroplane engines High efficiency engines 4-stroke cycle engines 2-stroke cycle engines Aeroplane engines High efficiency engines ANSWER DOWNLOAD EXAMIANS APP
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