Internal Combustion Engines The ratio of the indicated thermal efficiency to the air standard efficiency is known as Relative efficiency Mechanical efficiency Volumetric efficiency Overall efficiency Relative efficiency Mechanical efficiency Volumetric efficiency Overall efficiency 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 [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) (V₀/V₁)/ [1 + (V₀/V₁)²] V₁/(V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Most high speed compression engines operate on Diesel cycle Dual combustion cycle Otto cycle Special type of air cycle Diesel cycle Dual combustion cycle Otto cycle Special type of air cycle ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Mechanical efficiency Indicated thermal efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Volumetric efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air standard efficiency of an I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these 1 + rγ - 1 1 - rγ - 1 1 - (1/rγ - 1) None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine has 2 valves 1 valve 3 valves 4 valves 2 valves 1 valve 3 valves 4 valves ANSWER DOWNLOAD EXAMIANS APP
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