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‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The size of inlet valve of an engine in comparison to exhaust valve is More Less Same More/less depending on capacity of engine More Less Same More/less depending on capacity of engine ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Stoichiometric ratio is Chemically correct air-fuel ratio by volume None of these Chemically correct air-fuel ratio by weight Actual air-fuel ratio for maximum efficiency Chemically correct air-fuel ratio by volume None of these Chemically correct air-fuel ratio by weight Actual air-fuel ratio for maximum efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the Scavenging occurs Piston rings would stick into piston grooves Engine starts overheating Exhaust will be smoky Scavenging occurs Piston rings would stick into piston grooves Engine starts overheating Exhaust will be smoky ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pick up the wrong statement about supercharging Supercharging reduces knocking in diesel engines There can be limited supercharging in petrol engines because of detonation Supercharging results in fuel economy Supercharging at high altitudes is essential Supercharging reduces knocking in diesel engines There can be limited supercharging in petrol engines because of detonation Supercharging results in fuel economy Supercharging at high altitudes is essential ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to None of these Prevent sparking across the gap between the points Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Both (A) and (B) None of these Prevent sparking across the gap between the points Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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