A.must utilize magnatic courses
B.must take set and drift into account
C.should be replotted hourly
D.should be started each time the vessels position is fixed
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A.bitt
B.bollard
C.capstan
D.cleat
A.screw pump
B.centrifugal pump
C.eductor
D.gear pump
A.alternate expansion and contraction as water in a liquid state becomes a vapor
B.absorption of smoke and gases as water is converted from a liquid to a vapor
C.rapid contraction as water is converted from a liquid to a vapor
D.rapid expansion as water absorbs heat and changes to steam
A.detachable link
B.stud link
C.Kenter link
D.connection link
A.flame stopper
B.flame screen
C.flame filter
D.flame restrictor
最新試題
According to the relevant regulation, lifeboat should be powered by（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
The mean draft of a ship is the draft（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Berthing means bringing a vessel to her berth until（）.
Before any loading takes place any signs of the previous cargo should do（）.
The ISM code is part of（）.
Manoeuvring information can not be obtained from（）.