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) V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₀ / (V₀ + V₁) 2V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₀ / (V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged? To some extent Unpredictable No Yes To some extent Unpredictable No Yes ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to Inject fuel in a chamber of high pressure at the end of compression stroke All of these Ensure that penetration is not high Inject fuel at a high velocity to facilitate atomization Inject fuel in a chamber of high pressure at the end of compression stroke All of these Ensure that penetration is not high Inject fuel at a high velocity to facilitate atomization ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Installation of supercharger on a four cycle diesel engine can result in the following percentage increase in power Up to 50% Up to 100% Up to 35% Up to 75% Up to 50% Up to 100% Up to 35% Up to 75% ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The loud pulsating noise heard within the cylinder of an internal combustion engine is known as Detonation Turbulence Supercharging Pre-ignition Detonation Turbulence Supercharging Pre-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is not an intern’s combustion engine? 4-stroke petrol engine 2-stroke petrol engine Steam turbine Diesel engine 4-stroke petrol engine 2-stroke petrol engine Steam turbine Diesel engine ANSWER DOWNLOAD EXAMIANS APP
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