Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at bottom dead centre and closes at top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre May open and close anywhere Opens at 30° before bottom dead centre and closes at 10° after top dead centre Opens at bottom dead centre and closes at top dead centre Opens at 30° after bottom dead centre and closes at 10° before top dead centre May open and close anywhere 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‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) Vâ‚€ / (Vâ‚€ + Vâ‚) 2Vâ‚ / (Vâ‚€ + Vâ‚) 2Vâ‚€ / (Vâ‚€ + Vâ‚) Vâ‚ / (Vâ‚€ + Vâ‚) ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines As compared to air standard cycle, in actual working, the effect of variation in specific heats is to Increase maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Increase maximum pressure and decrease maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Increase maximum pressure and decrease maximum temperature Reduce maximum pressure and maximum temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ignition of the charge by some hot surface within the engine before the passage of spark is called Detonation Auto-ignition Ignition delay Pre-ignition Detonation Auto-ignition Ignition delay Pre-ignition ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The accumulation of carbon in a cylinder results in increase of Volumetric efficiency Clearance volume Effective compression ratio Ignition time Volumetric efficiency Clearance volume Effective compression ratio Ignition time ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Polymerization is a chemical process in which molecules of a compound become Smaller Larger Liquid Slowed down Smaller Larger Liquid Slowed down ANSWER DOWNLOAD EXAMIANS APP
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