Internal Combustion Engines The knock in diesel engine occurs due to 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 Instantaneous and rapid burning of the first part of the charge ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will May increase or decrease depending on other factors Decrease Be independent Increase May increase or decrease depending on other factors Decrease Be independent Increase ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure into the engine cylinder is known as Turbulence Supercharging Delay period Carburetion Turbulence Supercharging Delay period Carburetion ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed, 4-stroke cycle diesel engine Fuel injection starts at top dead center and ends at 20° after top dead center Fuel injection starts at just before top dead center and ends just after top dead center May start and end anywhere Fuel injection starts at 10° before top dead center and ends at 20° after top dead center Fuel injection starts at top dead center and ends at 20° after top dead center Fuel injection starts at just before top dead center and ends just after top dead center May start and end anywhere Fuel injection starts at 10° before top dead center and ends at 20° after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The delay period in compression ignition engines depends upon Temperature and pressure in the cylinder at the time of injection Nature of the fuel mixture strength All of these Relative velocity between the fuel injection and air turbulence pressure of residual gases Temperature and pressure in the cylinder at the time of injection Nature of the fuel mixture strength All of these Relative velocity between the fuel injection and air turbulence pressure of residual gases ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The following volume of air is required for consuming 1 liter of fuel by a four stroke engine 56 m3 910 m3 1 m3 5 m3 56 m3 910 m3 1 m3 5 m3 ANSWER DOWNLOAD EXAMIANS APP
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