Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then the propulsive efficiency of a rocket is given by [2(V₀/V₁)]/ [1 + (V₀/V₁)²] (V₀/V₁)/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) V₀/(V₀ + V₁) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] (V₀/V₁)/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) V₀/(V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel fuel, compared to petrol is Highly ignitable Less difficult to ignite Just about the same difficult to ignite More difficult to ignite Highly ignitable Less difficult to ignite Just about the same difficult to ignite More difficult to ignite ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A petrol engine has compression ratio from 15 to 25 25 to 40 10 to 15 6 to 10 15 to 25 25 to 40 10 to 15 6 to 10 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuel in diesel engine is normally injected at pressure of 60-80 kg/cm² 90-130 kg/cm² 20-25 kg/cm² 5-10 kg/cm² 60-80 kg/cm² 90-130 kg/cm² 20-25 kg/cm² 5-10 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The higher combustion chamber wall temperature in compression ignition engines will _________ knocking tendency. None of these Increase Not effect Reduce None of these Increase Not effect Reduce 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 V₁ / (V₀ + V₁) 2V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₀ / (V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP