Internal Combustion Engines If V₁ is the jet velocity and V₀ is the vehicle velocity, then propulsive efficiency of a turbojet engine is 2V₁ / (V₀ + V₁) 2V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₁ / (V₀ + V₁) 2V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of 1000°C 500°C 250°C 2000°C 1000°C 500°C 250°C 2000°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The self ignition temperature of petrol is _________ as compared to diesel oil. None of these Lower Same Higher None of these Lower Same Higher ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the charge is ignited at 30° after bottom dead center 30° before top dead center 30° before bottom dead center 30° after top dead center 30° after bottom dead center 30° before top dead center 30° before bottom dead center 30° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft 4 1 2 43832 4 1 2 43832 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a diesel engine, the duration between the time of injection and ignition, is known as Pre-ignition period Period of ignition Burning period Delay period Pre-ignition period Period of ignition Burning period Delay period ANSWER DOWNLOAD EXAMIANS APP