Internal Combustion Engines If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then propulsive efficiency of a turbojet engine is Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel as compared to petrol is Less difficult to ignite More difficult to ignite Highly ignitable None of these Less difficult to ignite More difficult to ignite Highly ignitable None of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A stoichiometric air-fuel ratio is Rich mixture for idling Chemically correct mixture Rich mixture for over loads Lean mixture Rich mixture for idling Chemically correct mixture Rich mixture for over loads Lean mixture ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The advancing of spark timing in spark ignition engines will ___ knocking tendency. None of the listed here Reduce Increase Not effect None of the listed here Reduce Increase Not effect ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following is false statement? Some of the methods used to reduce diesel smoke are as follows Adherence to proper fuel specification Using additives in the fuel Increasing the compression ratio Avoidance of overloading Adherence to proper fuel specification Using additives in the fuel Increasing the compression ratio Avoidance of overloading ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will Decrease May increase or decrease depending on other factors Be independent Increase Decrease May increase or decrease depending on other factors Be independent Increase ANSWER DOWNLOAD EXAMIANS APP
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