A.deeply-grooved drum on the windlass with sprockets which engage the links of the anchor chain
B.winch that is running out of control due to a failure of the overspeed trips
C.line that has jumped off the gypsyhead while under strain
D.nylon line that parts under strain and whips back in a hazardous manner
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A.blind flange
B.pivot coupling
C.quick-release coupling
D.spectacle flange
A.a companion way
B.tween-decks
C.stairs
D.Any of the above are acceptable
A.slide rule
B.go-no-go gauge
C.derrick tape
D.amp probe
A.detachable link
B.stud link
C.Kenter link
D.connecting link
A.bitt
B.bollard
C.capstan
D.cleat
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Fuel oil tank vents are fitted with a screen which will stop（）.
Buckler plates are（）.
The platform that supports the derrickman when tripping pipe is called the（）.
The opening in the deck beneath the anchor windlass that leads to the chain locker is the（）.
The athwartship hull structural members of a ship are（）.
The joint of the riser in a marine riser system that compensates for heave，the up-and-down motion of a floater，is the（）.
Gross tonnage indicates the vessel’s（）.
The opening in the deck that leads the anchor cable outside the hull is the（）.
Bilge keels are fitted on ships 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（）.