Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 - rγ - 1 None of these 1 - (1/rγ - 1) 1 + rγ - 1 1 - rγ - 1 None of these 1 - (1/rγ - 1) 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per B.P. hour for a petrol engine is about 0.35 kg 0.2 kg 0.25 kg 0.3 kg 0.35 kg 0.2 kg 0.25 kg 0.3 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In case of gas turbines, the gaseous fuel consumption guarantees are based on Calorific value High heat value Low heat value Net calorific value Calorific value High heat value Low heat value Net calorific value ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine, during suction stroke, draws Diesel only None of these A mixture of diesel and air Air only Diesel only None of these A mixture of diesel and air Air only ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then the propulsive efficiency of a rocket is given by [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then propulsive efficiency of a turbojet engine is Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS