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 In a cycle, the spark lasts roughly for 0.01 sec 0.001 sec 0.1 sec 1 sec 0.01 sec 0.001 sec 0.1 sec 1 sec ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a petrol engine is _________ as compared to diesel engine. Same Less None of these More Same Less None of these More ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is essential in Diesel engines Gas turbines Petrol engines Aircraft engines Diesel engines Gas turbines Petrol engines Aircraft engines ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The purpose of testing an internal combustion engine is To determine the information, which cannot be obtained by calculations All of these To satisfy the customer regarding the performance of the engine To conform the data used in design, the validity of which may be doubtful To determine the information, which cannot be obtained by calculations All of these To satisfy the customer regarding the performance of the engine To conform the data used in design, the validity of which may be doubtful ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A fuel of cetane number 40 has the same ignition quality as a mixture of 40% diesel and 60% petrol 40% alpha methyl naphthalene and 60% cetane 40% petrol and 60% diesel 40% cetane and 60% alpha methyl naphthalene 40% diesel and 60% petrol 40% alpha methyl naphthalene and 60% cetane 40% petrol and 60% diesel 40% cetane and 60% alpha methyl naphthalene ANSWER DOWNLOAD EXAMIANS APP