Internal Combustion Engines The probability of knocking in diesel engines is increased by High self ignition temperature Higher viscosity All of these Low volatility High self ignition temperature Higher viscosity All of these Low volatility ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center Exhaust valve opens just after bottom dead center and closes just before top dead center Exhaust valve opens at bottom dead center and closes at top dead center May open and close anywhere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines In petrol engines, the delay period is of the order of 0.002 second 0.004 second 0.003 second 0.001 second 0.002 second 0.004 second 0.003 second 0.001 second ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The operation of forcing additional air under pressure in the engine cylinder is known as Supercharging Pre-ignition Scavenging Turbulence Supercharging Pre-ignition Scavenging Turbulence 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 Increase maximum pressure and decrease maximum temperature Decrease maximum pressure and increase maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and maximum temperature Increase maximum pressure and decrease maximum temperature Decrease maximum pressure and increase maximum temperature Reduce maximum pressure and maximum temperature Increase maximum pressure and maximum temperature ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A stoichiometric air-fuel ratio is Rich mixture for idling Lean mixture Rich mixture for over loads Chemically correct mixture Rich mixture for idling Lean mixture Rich mixture for over loads Chemically correct mixture ANSWER DOWNLOAD EXAMIANS APP
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