Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = (B.P × I.P)/100 ηm = B.P/I.P ηm = I.P/B.P None of these ηm = (B.P × I.P)/100 ηm = B.P/I.P ηm = I.P/B.P None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a Fuel pump None of these Spark plug Fuel injector Fuel pump None of these Spark plug Fuel injector 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 Inject fuel at a high velocity to facilitate atomization All of these Ensure that penetration is not high Inject fuel in a chamber of high pressure at the end of compression stroke Inject fuel at a high velocity to facilitate atomization All of these Ensure that penetration is not high 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 2V₀ / (V₀ + V₁) V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₁ / (V₀ + V₁) 2V₀ / (V₀ + V₁) V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₁ / (V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A mixture containing 65% of iso-octane and 35% of normal heptane will have Octane number 65 Cetane number 65 Octane number 35 Cetane number 35 Octane number 65 Cetane number 65 Octane number 35 Cetane number 35 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The specific fuel consumption per B.P. hour for a diesel engine is about 0.25 kg 0.35 kg 0.2 kg 0.3 kg 0.25 kg 0.35 kg 0.2 kg 0.3 kg ANSWER DOWNLOAD EXAMIANS APP
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