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 Flywheel size is proper Cannot work as it is impossible It is properly designed Best quality fuel is used Flywheel size is proper Cannot work as it is impossible It is properly designed ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the inlet valve Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center May open and close anywhere Opens at 20° before top dead center and closes at 40° after bottom dead center Opens at 20° after top dead center and closes at 20° before bottom dead center Opens at top dead center and closes at bottom dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The higher combustion chamber wall temperature in compression ignition engines will _________ knocking tendency. Increase Not effect None of these Reduce Increase Not effect None of these Reduce ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Solid fuel fabricated into various small shapes, which are assembled to form fuel elements, is in the form of Plates All of these Pins Pallets Plates All of these Pins Pallets ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Overall efficiency Volumetric efficiency Mechanical efficiency Indicated thermal efficiency Overall efficiency Volumetric efficiency Mechanical efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS