A.windlass
B.anchor capstan
C.turning gear
D.winch barrel
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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
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
最新试题
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?（）
Which of the following statements is correct concerning heat transfer?（）
Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?（）
Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by （）.
A pressure drop through the refrigerant liquid line may cause （）.
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump （）.
An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.
A grease gun is generally used to lubricate a （）.
A gradual decrease in the discharge pressure of an operating hydraulic pump can be caused by （）.
The output volume of a positive fixed displacement pump can be changed only by （）.