A.bow thruster
B.cargo gear
C.steering engine
D.rudder
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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
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
最新試題
When steering by autopilot,how often should the steering be checked?（）
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
The ISM code is part of（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
The dew point temperature is（）.
Which of the following is not a form of precipitation?（）
In the Northern hemisphere northerly winds may cause temperature（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
When the wave period and the apparent rolling period are the same（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.