A.still water level
B.wave crest
C.wave crest plus the charted water depth and tidal corrections
D.wave crest plus the charted water depth and tidal correction and storm surge
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A.from areas equipped with power ventilation
B.only from enclosed areas free from sources of vapor ignition
C.from the open deck
D.from within the vessel
A.at least 13.1 feet away from the galleys，living quarters or navigation spaces
B.from the open deck
C.only from areas equipped with power ventilation systems
D.isolated from any part of the vessel which normally contains sources of vapor ignition
A.On top of No.1 hatch
B.Beside the hatches，forward of the midships house
C.On top of the hatch immediately forward of the midships house
D.On top of the hatch immediately aft of the midships house
A.a vessel towing by pushing ahead
B.a power-driven vessel，not towing
C.a barge being pushed ahead
D.either answer A or answer B
A.the towboat vibrates when backing down
B.the roostertail exceeds the height of the main deck
C.a strain is placed on the face wires
D.water comes over the foredeck of the lead barges
最新試題
An oil tanker，except as provided for otherwise，might discharge certain amount at certain rate of oil or oily mixtures into sea when（）.
It’s（）to stow optional cargo in the lower hold．You’d better give it block stowage in the tweendecks，then it can be easily discharged either at Shanghai，or Dalian or Tianjin.
The type of carrier required to file a copy of freight tariffs would be the（）.
In securing deck loads for an ocean tow，drill pipe should be（）.
According to regulations，access to a cargo pumproom in a tanker carrying grades C or D liquid cargo shall be（）.
When loading bulk liquid cargo，what is the FIRST action you should take if a cargo valve jammed open?（）
In order to minimize the effects of a tender vessel，when carrying a cargo of lumber，you should（）.
Ullages on tankers are measured from（）.
To determine which grades of cargo a tanker is permitted to carry you should（）.
An oil tanker operating with dedicated clean ballast tanks shall be equipped with（），approved by the Administration on the basis of specification recommended by the Organization，to enable supervision of the oil content in ballast water being discharged.