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) 2V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) 2V₀ / (V₀ + V₁) 2V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) V₁ / (V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Combustion in compression ignition engines is Both (A) and (B) Laminar Homogeneous Heterogeneous Both (A) and (B) Laminar Homogeneous Heterogeneous ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane 75% diesel and 25% petrol 75% normal heptane and 25% iso-octane 75% petrol and 25% diesel 75% iso-octane and 25% normal heptane 75% diesel and 25% petrol 75% normal heptane and 25% iso-octane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to Any one of the listed here Red hot carbon deposits on cylinder walls Cylinder walls being too hot Overheated spark plug points Any one of the listed here Red hot carbon deposits on cylinder walls Cylinder walls being too hot Overheated spark plug points ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the compression Starts at 40° before top dead center and ends at 40° after top dead center Starts at 40° after bottom dead center and ends at 10° before top dead center Starts at top dead center and ends at 40° before bottom dead center May start and end anywhere Starts at 40° before top dead center and ends at 40° after top dead center Starts at 40° after bottom dead center and ends at 10° before top dead center Starts at top dead center and ends at 40° before bottom dead center May start and end anywhere 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 35% Up to 100% Up to 75% Up to 50% Up to 35% Up to 100% Up to 75% ANSWER DOWNLOAD EXAMIANS APP
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