A.in
B.on
C.out
D.with
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A.cargo handling machines
B.deck winches and derricks
C.engine-room tools
D.course controlling system
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
最新試題
Damaged bulkheads often take a permanent set which is independent of the panting or bulge caused by water pressure. To control this，you should（）.
Prior to magnetic particle inspection of anchor chain，the chain should be（）.
One function of a bulwark is to（）.
The platform that supports the derrickman when tripping pipe is called the（）.
The Tonnage Certificate indicates（）.
The term strake is used in reference to（）.
Grinding to eliminate shallow surface defects should be done（）.
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（）.
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（）.
Holes in the bulwark，which allow deck water to drain into the sea，are（）.