Internal Combustion Engines The exhaust valve in a four stroke cycle petrol engine Opens at 50° after bottom dead center and closes at 15° before top dead center Opens at 50° before bottom dead center and closes at 15° after top dead center Opens at bottom dead center and closes at 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 50° before bottom dead center and closes at 15° after top dead center Opens at bottom dead center and closes at top dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The ratio of the brake power to the indicated power is called Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency Mechanical efficiency Overall efficiency Volumetric efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following fuel has little tendency towards detonation? Normal heptane Alcohol Benzene Iso-octane Normal heptane Alcohol Benzene Iso-octane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following does not relate to a spark ignition engine? Fuel injector Carburettor Ignition coil Spark plug Fuel injector Carburettor Ignition coil Spark plug ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have All of these Long ignition delay Low density Low temperature All of these Long ignition delay Low density Low temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Iso-octane (C₈Hâ‚₈) has octane number of 50 120 100 50 120 100 ANSWER DOWNLOAD EXAMIANS APP
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