Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine 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 Opens at bottom dead center and closes at top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to eliminate knocking in compression ignition engines, there should be Low compression ratio High self ignition temperature of fuel Late auto-ignition Short delay period Low compression ratio High self ignition temperature of fuel Late auto-ignition Short delay period ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In case of gas turbines, the gaseous fuel consumption guarantees are based on High heat value Net calorific value Low heat value Calorific value High heat value Net calorific value Low heat value Calorific value ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Alpha-methyl-naphthalene (C11H10) has a cetane number of 0 100 50 120 0 100 50 120 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The inlet valve of a four stroke cycle internal combustion engine remains open for 270° 180° 130° 230° 270° 180° 130° 230° ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A higher compression ratio causes Pre-ignition Acceleration in the rate of combustion Increase in detonation Any one of these Pre-ignition Acceleration in the rate of combustion Increase in detonation Any one of these ANSWER DOWNLOAD EXAMIANS APP
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