Internal Combustion Engines If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then propulsive efficiency of a turbojet engine is 2Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a diesel engine, the duration between the time of injection and ignition, is known as Pre-ignition period Burning period Period of ignition Delay period Pre-ignition period Burning period Period of ignition Delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines As compared to air standard cycle, in actual working, the effect of variation in specific heats is to Increase maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and decrease maximum temperature Increase maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and decrease maximum temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking tendency in compression ignition engines for a given fuel will be None of these Enhanced by decreasing compression ratio Dependent on other factors Enhanced by increasing compression ratio None of these Enhanced by decreasing compression ratio Dependent on other factors Enhanced by increasing compression ratio ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The frictional power (F.P.) is given by F.P. = I.P./ F.P. = P. P. - I.P. P. F.P. = P./I.P. F.P. = I.P. - F.P. = I.P./ F.P. = P. P. - I.P. P. F.P. = P./I.P. F.P. = I.P. - ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pick up the wrong statement about supercharging Supercharging at high altitudes is essential Supercharging results in fuel economy Supercharging reduces knocking in diesel engines There can be limited supercharging in petrol engines because of detonation Supercharging at high altitudes is essential Supercharging results in fuel economy Supercharging reduces knocking in diesel engines There can be limited supercharging in petrol engines because of detonation ANSWER DOWNLOAD EXAMIANS APP
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