A.flex joint
B.slip joint
C.heave joint
D.riser joint
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A.stringers
B.girders
C.breasthooks
D.deck beams
A.in
B.on
C.out
D.with
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
最新試題
The joint of the riser in a marine riser system that compensates for heave，the up-and-down motion of a floater，is the（）.
The opening in the deck that leads the anchor cable outside the hull is the（）.
The platform that supports the derrickman when tripping pipe is called the（）.
Forecastle deck is located in the ship’s（）.
One function of a bulwark is to（）.
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（）.
Fuel oil tank vents are fitted with a screen which will stop（）.
Damaged bulkheads often take a permanent set which is independent of the panting or bulge caused by water pressure. To control this，you should（）.
The machinery associated with heaving in and running out anchor chain is the（）.
The perforated，elevated bottom of the chain locker，which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains，is called a（）.