A.reciprocating
B.hydraulic
C.turbine
D.vane
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A.a level controller
B.a temperature switch
C.a pressure switch
D.a floating ball
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
最新試題
The rate of heat transfer from a hot region to a cold region is affected most by the （）.
The major source of chemical contaminants in hydraulic fluid is （）.
One cause of high head pressure occurring in a refrigeration system can be （）.
Low compressor head pressure in a refrigeration system can be caused by（）.
Which of the problems listed would came the discharge temperature of an R-12 refrigeration compressor to increase?（）
If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.
Which of the following statements is correct concerning heat transfer?（）
If the suction pressure at the refrigeration compressor is below normal, the cause can be（）.
The usual symptoms of cavitation in a centrifugal pump is （）.
Thermostatic expansion valves can be adjusted for （）.