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 (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) V₀/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) V₀/(V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The process of breaking up or a liquid into fine droplets by spraying is called Vaporisation Carburetion Atomization Ionization Vaporisation Carburetion Atomization Ionization ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In the crankcase method of scavenging, the air pressure is produced by Natural aspirator Centrifugal pump Movement of engine piston Supercharger Natural aspirator Centrifugal pump Movement of engine piston Supercharger ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The object of providing masked inlet valve in the air passage of compression ignition engines is to Control air flow Enhance flow rate Induce secondary turbulence Induce primary swirl Control air flow Enhance flow rate Induce secondary turbulence Induce primary swirl ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per BHP hour for diesel engine is approximately 0.2 kg 0.15 kg 0.25 kg 0.3 kg 0.2 kg 0.15 kg 0.25 kg 0.3 kg ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The minimum cranking speed in case of petrol engine is about 250 - 300 rpm One fourth of operating speed 60 - 80 rpm Half the operating speed 250 - 300 rpm One fourth of operating speed 60 - 80 rpm Half the operating speed ANSWER DOWNLOAD EXAMIANS APP