A.a level controller
B.a temperature switch
C.a pressure switch
D.a floating ball
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A.a hoisting motor
B.a luffing motor
C.a mooring motor
D.a slewing motor
A.the drive pump
B.the drive motor
C.the warp end
D.the purchase
A.windlass
B.anchor capstan
C.turning gear
D.winch barrel
A.A capstan
B.A hold
C.A warp end
D.A mooring drum
A.The compressed air
B.The compressing air
C.The transfer pump
D.The head tank
最新試題
Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?（）
A salinity indicator is used to determine the （）.
A pressure drop through the refrigerant liquid line may cause （）.
Heavy wear in a particular area of the inner circumference of a packing ring may be caused by （）.
If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be （）.
The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?（）
Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by （）.
Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?（）
One cause of high head pressure occurring in a refrigeration system can be （）.
The major source of chemical contaminants in hydraulic fluid is （）.