A.center of buoyancy
B.center of floatation
C.center of gravity
D.tipping center
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A.water-tight
B.air-tight
C.fire-tight
D.oil-tight
A.moved and fitting again
B.removed and refitted
C.reproduced and put on again
D.return and attached again
A.fire drills
B.washing and cleaning
C.fumigation
D.quarantine
A.the supercargo's
B.the shipper's
C.the shipowner's
D.carrier's
A.ships arrive at random
B.cargo-handing time varies greatly
C.ships have to queue to get onto berths
D.ships do not have to wait to get onto berths
最新試題
It is dangerous for vessels without the operational radar（）the estuary.
Which of the following is not a form of precipitation?（）
The helm command PORT TWENTY means（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
Fog is likely to occur when there is little difference between the dew point and the（）.
The loading of the ship must be done in accordance with（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
The dew point temperature is（）.
When steering by autopilot,how often should the steering be checked?（）