A.less
B.more
C.many
D.much
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A.a warp end
B.a mooring winch
C.a worm gear
D.a barrel
A.cable lifters
B.spur wheels
C.bollard
D.warpends
A.a variable displacement axial piston pump
B.a constant displacement axial piston pump
C.a reciprocating piston pump
D.a centrifugal pump
A.Constant pressure system
B.Variable pressure system
C.Variable displacement system
D.Constant volume system
A.in the pert position
B.in the starboard position
C.in the neutral position
D.to be dismantled
最新試題
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The cetane rating of diesel fuel is an indication of the ()
To proceed to the assistance of a ship in distress is()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
When does auxiliary burner of incinerator put into operation? ()Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
The additional mark ()in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()