Internal Combustion Engines The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be 0.25 0.5 0.7 1 0.25 0.5 0.7 1 ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines The inlet valve of a four stroke cycle internal combustion engine remains open for 270° 180° 130° 230° 270° 180° 130° 230° 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 just before top dead center and ends just after top dead center 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 May start and end anywhere Fuel injection starts at just before top dead center and ends just after top dead center 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 voltage required to produce a spark across the gap, between the sparking points is 6000 to 10,000 volts 10,000 to 12,000 volts 4000 to 6000 volts 2000 to 4000 volts 6000 to 10,000 volts 10,000 to 12,000 volts 4000 to 6000 volts 2000 to 4000 volts ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Supercharging is the process of Providing forced cooling air Supplying compressed air to remove combustion products fully Injecting excess fuel for raising more loads Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere Providing forced cooling air Supplying compressed air to remove combustion products fully Injecting excess fuel for raising more loads Supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere ANSWER DOWNLOAD EXAMIANS APP
Internal Combustion Engines Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged? To some extent Yes Unpredictable No To some extent Yes Unpredictable No ANSWER DOWNLOAD EXAMIANS APP