A.cargo handling machines
B.deck winches and derricks
C.engine-room tools
D.course controlling system
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A.the galvanizing on steel
B.a hatch cover
C.the outer plating of a vessel
D.synonymous with decking
A.away from galleys，living quarters，or navigation spaces
B.only from areas equipped with power ventilation systems
C.from the open deck
D.isolated from sources of vapor ignition
A.degaussed
B.demagnetized
C.soaked
D.sandblasted
A.wooden plug
B.soft rubber plug
C.two-piece soft patch
D.mechanical means of closing
A.drop strakes
B.stealers
C.throughs
D.voids
最新試題
To determine the weight capacity of a deck in a cargo hold，you would refer to the（）.
Pollution regulations require that each scupper in an enclosed deck area have a（）.
Regulations require that access to a cargo pumproom in a tanker carrying grade D liquid cargo，shall be（）.
A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）.
The athwartship hull structural members of a ship are（）.
The purpose of cant frames in steel vessels is（）.
Buckler plates are（）.
Owing to the greater girth of a ship amidships than at the ends，certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called（）.
The opening in the deck beneath the anchor windlass that leads to the chain locker is the（）.
Freeboard is measured from the upper edge of the（）.