Internal Combustion Engines By higher octane number of spark ignition fuel, it is meant that the fuel has Higher heating value Higher flash point Lower volatility Longer ignition delay Higher heating value Higher flash point Lower volatility Longer ignition delay ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure. None of these Below Above Equal to None of these Below Above Equal to ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as Centre of pressure Centre of gravity Metacentre Centre of buoyancy Centre of pressure Centre of gravity Metacentre Centre of buoyancy ANSWER DOWNLOAD EXAMIANS APP
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 May start and end anywhere 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 Starts at top dead center and ends at 30° after top dead center May start and end anywhere 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 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The knock in diesel engine occurs due to Instantaneous and rapid burning of the first part of the charge Reduction of delay period Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge Instantaneous and rapid burning of the first part of the charge Reduction of delay period Delayed burning of the first part of the charge Instantaneous auto ignition of last part of charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines As compared to air standard cycle, in actual working, the effect of variation in specific heats is to Decrease maximum pressure and increase maximum temperature Increase maximum pressure and decrease maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and maximum temperature Decrease maximum pressure and increase maximum temperature Increase maximum pressure and decrease maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and maximum temperature ANSWER DOWNLOAD EXAMIANS APP