Internal Combustion Engines In a four stroke cycle petrol engine, the compression Starts at bottom dead centre and ends at top dead centre May start and end anywhere Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre Starts at bottom dead centre and ends at top dead centre May start and end anywhere Starts at 40° before bottom dead centre and ends at 30° after bottom dead centre Starts at 40° after bottom dead centre and ends at 30° before top dead centre ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If the ratios of all the corresponding linear dimensions are equal, then the model and the prototype are said to have Dynamic similarity Geometric similarity None of these Kinematic similarity Dynamic similarity Geometric similarity None of these Kinematic similarity 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 2V₁ / (V₀ + V₁) V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₀ / (V₀ + V₁) 2V₁ / (V₀ + V₁) V₁ / (V₀ + V₁) V₀ / (V₀ + V₁) 2V₀ / (V₀ + V₁) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________ the knocking tendency. None of these Decrease Not effected Increase None of these Decrease Not effected Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The following volume of air is required for consuming 1 liter of fuel by a four stroke engine 910 m3 56 m3 1 m3 5 m3 910 m3 56 m3 1 m3 5 m3 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The frictional power (F.P.) is given by P. P. F.P. = P. - I.P. F.P. = F.P. = I.P. - F.P. = I.P./ P./I.P. P. P. F.P. = P. - I.P. F.P. = F.P. = I.P. - F.P. = I.P./ P./I.P. ANSWER DOWNLOAD EXAMIANS APP