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
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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
A.main string
B.push string
C.power string
D.face string
A.increase the lifting capacity
B.increase the lifting radius
C.protect the slings
D.protect the upper part of a load
最新試題
In observing rig motion while under tow，the period of roll is the time difference between（）.
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.
Access to a cargo pumproom on a tanker carrying grades A，B，C or D liquid cargoes shall be（）.
In order to minimize the effects of a tender vessel，when carrying a cargo of lumber，you should（）.
The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the（）.
Ullage measurements are taken from the top of the liquid to（）.
To serve as a person in charge of transfer operations on board a self-propelled tanker，an individual must（）.
When loading bulk liquid cargo，what is the FIRST action you should take if a cargo valve jammed open?（）
Ullages are measured from（）.
Cargo securing for Ro-Ro is based on the concept of（）.