Internal Combustion Engines Diesel as compared to petrol is None of these Less difficult to ignite More difficult to ignite Highly ignitable None of these Less difficult to ignite More difficult to ignite Highly ignitable ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Best quality fuel is used It is properly designed Flywheel size is proper Cannot work as it is impossible Best quality fuel is used It is properly designed Flywheel size is proper Cannot work as it is impossible ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum temperature in the I.C. engine cylinder is of the order of 500-1000°C 2000-2500°C 1000-1500°C 1500-2000°C 500-1000°C 2000-2500°C 1000-1500°C 1500-2000°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at bottom dead center and closes at top dead center May open and close anywhere Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at bottom dead center and closes at top dead center May open and close anywhere Opens at 50° before bottom dead center and closes at 15° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m. Equal to Twice One-half Four-times Equal to Twice One-half Four-times ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If Vâ‚ is the jet velocity and Vâ‚€ is the vehicle velocity, then the propulsive efficiency of a rocket is given by (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) (Vâ‚€/Vâ‚)/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚€/(Vâ‚€ + Vâ‚) [2(Vâ‚€/Vâ‚)]/ [1 + (Vâ‚€/Vâ‚)²] Vâ‚/(Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
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