Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at 30° after bottom dead centre and closes at 10° before top dead centre 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 May open and close anywhere Opens at 30° after bottom dead centre and closes at 10° before top dead centre 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 May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A supercharged engine as compared to an ordinary engine Requires smaller foundation Is lighter Consumes less lubricating oil All of these Requires smaller foundation Is lighter Consumes less lubricating oil All of these ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The cetane number of diesel oil, generally available, is 25 to 30 40 to 55 30 to 40 20 to 25 25 to 30 40 to 55 30 to 40 20 to 25 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Number of working strokes per min. for a two stroke cycle engine is ____ the speed of the engine in r.p.m. One-half Equal to Four-times Twice One-half Equal to Four-times Twice ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Compression ratio of I.C. Engines is Swept volume/cylinder volume Ratio of pressure after compression and before compression The ratio of volumes of air in cylinder before compression stroke and after compression stroke Volume displaced by piston per stroke and clearance volume in cylinder Swept volume/cylinder volume Ratio of pressure after compression and before compression The ratio of volumes of air in cylinder before compression stroke and after compression stroke Volume displaced by piston per stroke and clearance volume in cylinder ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging is usually done to increase Power output Thermal efficiency Speed Fuel consumption Power output Thermal efficiency Speed Fuel consumption ANSWER DOWNLOAD EXAMIANS APP
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