Internal Combustion Engines Scavenging air in diesel engine means Air used for forcing burnt gases out of engine's cylinder during the exhaust period Air used for combustion sent under pressure Forced air for cooling cylinder Burnt air containing products of combustion Air used for forcing burnt gases out of engine's cylinder during the exhaust period Air used for combustion sent under pressure Forced air for cooling cylinder Burnt air containing products of combustion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A higher compression ratio causes Pre-ignition Increase in detonation Any one of these Acceleration in the rate of combustion Pre-ignition Increase in detonation Any one of these Acceleration in the rate of combustion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the Engine starts overheating Piston rings would stick into piston grooves Exhaust will be smoky Scavenging occurs Engine starts overheating Piston rings would stick into piston grooves Exhaust will be smoky Scavenging occurs ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at bottom dead center and closes at top dead center 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 May open and close anywhere Opens at bottom dead center and closes at top dead center 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 May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engine the inlet valve Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at 10° after top dead center and closes 20° before the bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center Opens at 20° before top dead center and closes at 35° after the bottom dead center Opens at 10° after top dead center and closes 20° before the bottom dead center May open or close anywhere Opens at top dead center and closes at bottom dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 25 bar 20 bar 10 bar 35 bar 25 bar 20 bar 10 bar 35 bar ANSWER DOWNLOAD EXAMIANS APP