Internal Combustion Engines The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed 120°C 80°C 240°C 180°C 120°C 80°C 240°C 180°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The _________ engines can work on very lean mixture of fuel. Compression ignition Both (A) and (B) None of these Spark ignition Compression ignition Both (A) and (B) None of these Spark ignition ANSWER DOWNLOAD EXAMIANS APP
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 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) (V₀/V₁)/ [1 + (V₀/V₁)²] [2(V₀/V₁)]/ [1 + (V₀/V₁)²] ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will Be independent Decrease Increase May increase or decrease depending on other factors Be independent Decrease Increase May increase or decrease depending on other factors ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in diesel engines may be prevented by Raising the compression ratio Increasing the inlet pressure of air Reducing the delay period All of these Raising the compression ratio Increasing the inlet pressure of air Reducing the delay period All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The rating of a diesel engine, with increase in air inlet temperature, will Decrease linearly Increase linearly Increase parabolically Decrease parabolically Decrease linearly Increase linearly Increase parabolically Decrease parabolically ANSWER DOWNLOAD EXAMIANS APP