A.manila
B.nylon
C.polypropylene
D.dacron
您可能感興趣的試卷
你可能感興趣的試題
A.gantline
B.life line
C.strop
D.whip
A.join two lines of different sizes
B.join two lines of equal sizes
C.add strength to a weak spot in a line
D.act as a stopper to transfer a line under strain
A.act as a chain stopper
B.prevent the windlass from engaging
C.prevent the chain from fouling on deck
D.control the wildcat
A.swaged socket
B.thimbled mechanical splice
C.hand splice
D.spelter poured and resin sockets
A.give flexibility
B.support the strands laid around it
C.allow some circulation around the strands
D.allow lubrication inside the rope
最新試題
The square knot is used for().
The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to().
The purpose of a devil’s claw is to().
The size of wire rope is determined by the().
If kinking results while wire rope is being coiled clockwise,you should().
In moderate wind and current what should be the length of chain with a single anchor?()
Chafing gear is normally used().
Chafing gear is used to().
After deploying the anchor,a permanent chain chaser is().
Limit switches on gravity davits should be tested by().