Internal Combustion Engines The expansion of fuel in a four stroke cycle diesel engine Starts at top dead center and ends at 30° after top dead center Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at 15° before top dead center and ends at 30° after top dead center May start and end anywhere Starts at top dead center and ends at 30° after top dead center Starts at 15° after top dead center and ends at 30° before bottom dead center Starts at 15° before top dead center and ends at 30° after top dead center May start and end anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to Red hot carbon deposits on cylinder walls Any one of the listed here Overheated spark plug points Cylinder walls being too hot Red hot carbon deposits on cylinder walls Any one of the listed here Overheated spark plug points Cylinder walls being too hot ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Which of the following fuel detonates readily? Alcohol Benzene Normal heptane Iso-octane Alcohol Benzene Normal heptane Iso-octane ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The mechanical efficiency (ηm) of the engine is given by None of the listed here ηm = B.P/I.P ηm = I.P/B.P ηm = (B.P × I.P)/100 None of the listed here ηm = B.P/I.P ηm = I.P/B.P ηm = (B.P × I.P)/100 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle diesel engine, the exhaust valve Opens at bottom dead centre and closes at top dead centre 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 May open and close anywhere Opens at bottom dead centre and closes at top dead centre 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 May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure in the engine cylinder is known as Supercharging Turbulence Scavenging Pre-ignition Supercharging Turbulence Scavenging Pre-ignition ANSWER DOWNLOAD EXAMIANS APP
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