Internal Combustion Engines The scavenging efficiency of a four stroke cycle diesel engine is Below 50% Between 50 and 85% Between 85 and 95% Between 95 and 100% Below 50% Between 50 and 85% Between 85 and 95% Between 95 and 100% 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 Be independent Increase Decrease May increase or decrease depending on other factors Be independent Increase Decrease 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 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 just before top dead center and ends just after top dead center Fuel injection starts at top dead center and ends at 20° 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 just before top dead center and ends just after top dead center ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The probability of knocking in diesel engines is increased by All of these Low volatility High self ignition temperature Higher viscosity All of these Low volatility High self ignition temperature Higher viscosity ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The pressure at the end of compression, in petrol engines, is approximately 10 bar 25 bar 35 bar 20 bar 10 bar 25 bar 35 bar 20 bar ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines A diesel engine has compression ratio from 15 to 25 6 to 10 25 to 40 10 to 15 15 to 25 6 to 10 25 to 40 10 to 15 ANSWER DOWNLOAD EXAMIANS APP