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單項選擇題

The air charge leaving an intercooler, or after-cooler of an air compressor can be expected to be （）.

A.superheated
B.super-cooled
C.at or below the dew point
D.All of the above

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單項選擇題

Before starting a reciprocating, steam-driven pump that has been idle for a period of time, you should （）.

A.open the steam line mot valve
B.drain the steam cylinder
C.close the steam cylinder drains
D.open the liquid cylinder drains

單項選擇題

When air becomes trapped in the hydraulic fluid of a steering system, the （）.

A.rudder will respond sluggishly
B.hydraulic rams will over-speed
C.sight glass will show bubbles
D.ram relief valves will lift

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