A.A capstan
B.A hold
C.A warp end
D.A mooring drum
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A.The compressed air
B.The compressing air
C.The transfer pump
D.The head tank
A.reciprocating
B.diffuser
C.turbine
D.vane
A.lower than
B.higher than
C.below
D.equal to
A.fire-tubes
B.furnaces
C.down-comers
D.soot-blowers
A.The domestic water
B.Bilge water
C.Oil transfer
D.The ballast
A.A cut-off lever
B.A swivel block
C.A cross-head
D.A driving gear
A.the piston rod
B.the tiller arm
C.the connecting rod
D.the rudder
A.fouled tubes in shell and tube condenser
B.too little or too warm condenser water
C.air or non-condensable gas in system
D.overcharge of refrigerant
A.The winch motor
B.The band brake
C.The winch barrel
D.The anchor capstan
A.The cable lifter
B.The hoisting motor
C.The topping wire
D.The life-raft
最新试题
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）
Heavy wear in a particular area of the inner circumference of a packing ring may be caused by （）.
When the steering gear is in operation, you should （）.
If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be （）.
One cause of high head pressure occurring in a refrigeration system can be （）.
A grease gun is generally used to lubricate a （）.
A salinity indicator is used to determine the （）.
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.
The rate of heat transfer from a hot region to a cold region is affected most by the （）.
The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.