Internal Combustion Engines The size of inlet valve of an engine in comparison to exhaust valve is Less More/less depending on capacity of engine More Same Less More/less depending on capacity of engine More Same ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by ηm = I.P/B.P ηm = (B.P × I.P)/100 ηm = B.P/I.P None of these ηm = I.P/B.P ηm = (B.P × I.P)/100 ηm = B.P/I.P None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression ratio of I.C. Engines is Swept volume/cylinder volume Volume displaced by piston per stroke and clearance volume in cylinder Ratio of pressure after compression and before compression The ratio of volumes of air in cylinder before compression stroke and after compression stroke Swept volume/cylinder volume Volume displaced by piston per stroke and clearance volume in cylinder Ratio of pressure after compression and before compression The ratio of volumes of air in cylinder before compression stroke and after compression stroke 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 (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) [2(V₀/V₁)]/ [1 + (V₀/V₁)²] V₀/(V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the expansion May start and end anywhere Starts at top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center May start and end anywhere Starts at top dead center and ends at bottom dead center Starts at 30° before top dead center and ends at 50° before bottom dead center Starts at 30° after top dead center and ends at 50° after bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the intake air temperature of I.C. engine increases, its efficiency will None of these Remain same Increase Decrease None of these Remain same Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS