E．xhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine by

A．natural aspiration

B．masked intake valves

C．air ceils

D．scavenging air

Exhaust gases are generally removed from the cylinders of a two-stroke/cycle die

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

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

[单选题]The exhaust gases for a new engine should be （） when the engine operates under full load.A . smokyB . a little bit denseC . visibleD . almost invisible

[单选题]Moisture is removed from a refrigeration system byA．bleeding refrigerant from the condenserB．opening a drain petcock on the oil separatorC．condensing the water in the heat exchangerD．using a dehydrator cartridge

[单选题]A． smoking exhaust from an operating diesel engine could be caused by( ).A．low sulfur content in the fuelB．a loose injector inlet connectionC．late fuel injectionD．high injection pressure

[单选题]The color of the exhaust from a diesel engine should be （）A . clearB . hazy light brownC . hazy light blueD . hazy light grey

37 Fumes from the exhaust of an automobile are37 Fumes from the exhaust of an au

In an air conditioning system, moisture is removed from the air by________.A. fi