Internal Combustion Engines A higher compression ratio causes Increase in detonation Pre-ignition Any one of these Acceleration in the rate of combustion Increase in detonation Pre-ignition Any one of these Acceleration in the rate of combustion 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 May open and close anywhere 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 Opens at 50° before bottom dead center and closes at 15° after top dead center May open and close anywhere Opens at 50° after bottom dead center and closes at 15° before top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 10 bar 25 bar 35 bar 20 bar 10 bar 25 bar 35 bar 20 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The fuels in order of decreasing knock tendency for spark ignition engines are Napthene, paraffin, aromatic Paraffin, aromatic, napthene Napthene, aromatics, paraffin Paraffin, napthene, aromatic Napthene, paraffin, aromatic Paraffin, aromatic, napthene Napthene, aromatics, paraffin Paraffin, napthene, aromatic ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Scavenging air in diesel engine means Air used for combustion sent under pressure Air used for forcing burnt gases out of engine's cylinder during the exhaust period Burnt air containing products of combustion Forced air for cooling cylinder Air used for combustion sent under pressure Air used for forcing burnt gases out of engine's cylinder during the exhaust period Burnt air containing products of combustion Forced air for cooling cylinder ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The air requirement of a petrol engine during starting compared to theoretical air required for complete combustion is Less Same More May be more or less depending on engine capacity Less Same More May be more or less depending on engine capacity ANSWER DOWNLOAD EXAMIANS APP
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