Internal Combustion Engines The expansion of fuel in a four stroke cycle diesel engine May start and end anywhere Starts at 15° before 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 top dead center and ends at 30° after top dead center May start and end anywhere Starts at 15° before 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 top dead center and ends at 30° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The maximum temperature in the I.C. engine cylinder is of the order of 500-1000°C 1500-2000°C 1000-1500°C 2000-2500°C 500-1000°C 1500-2000°C 1000-1500°C 2000-2500°C ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In order to eliminate knocking in compression ignition engines, there should be Late auto-ignition High self ignition temperature of fuel Short delay period Low compression ratio Late auto-ignition High self ignition temperature of fuel Short delay period Low compression ratio 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 Cylinder walls being too hot Any one of the listed here Overheated spark plug points Red hot carbon deposits on cylinder walls Cylinder walls being too hot Any one of the listed here Overheated spark plug points Red hot carbon deposits on cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression in the case of diesel engine is of the order of 20 kg/cm 12 kg/cm 35 kg/cm 6 kg/cm 20 kg/cm 12 kg/cm 35 kg/cm 6 kg/cm ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knocking in spark ignition engines can be reduced by None of these Retarding the spark Both (A) and (B) Increasing the engine speed None of these Retarding the spark Both (A) and (B) Increasing the engine speed ANSWER DOWNLOAD EXAMIANS APP