The exhaust gases for a new engine should be （） when the engine operates under full load.

[单选题]（） is the removal of exhaust gases by blowing in fresh air.A . Gas exchangeB . ChargingC . ScavengingD . Supercharging

[单选题]Scavenging is （） of exhaust gases by blowing in fresh air.A . the suctionB . the compressionC . the removalD . the deliver

[单选题]E．xhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine byA．natural aspirationB．masked intake valvesC．air ceilsD．scavenging air

[单选题]The process to remove exhaust gases by blowing in fresh air is called （）.A . chargingB . superchargingC . startingD . scavenging

[单选题]Once a fire is detected the engine should be slowed downOn no account （）.A . the trunking should be opened upB . should the trunking be opened upC . the trunking should not be opened upD . should the trunking not be opened u

[单选题]A． two stroke diesel engine exhaust temperature will be lower than a four stroke diesel engine of the same displacement because the _____. ① MEP is lower and the scavenging air is cooling the exhaust gases ② valve overlap in a four strokeA．①B．②C．① an

[单选题]Diesel engine exhaust gas temperatures can be used to determine individual cylinder （）.A . performanceB . horsepower outputC . fuel consumptionD . scavenge effect

[单选题]Diesel engine exhaust temperatures may be used to indicate （）.A . leaking exhaust valvesB . an overloaded cylinderC . a clogged injector nozzleD . all of the above

[单选题]A two-stroke diesel engine exhaust temperature will be lower than a four-stroke diesel engine of the same displacement because the （）(1) MEP is lower and the scavenging air is cooling the exhaust gases(2) valve overlap in a four-strokeA . (1) only is

[单选题]In the author’s opinion, employees should _____.［A］ invest in company stock to show loyalty to their employer［B］ get out of their own company’s stock［C］ wait for some time before disposing of their stock［D］ give trust to a particular company’s stock