单项选择题
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
The purpose of a devil’s claw is to().A.act as a chain ...
单项选择题The purpose of a devil’s claw is to().
A.act as a chain stopper B.prevent the windlass from engaging C.prevent the chain from fouling on deck D.control the wildcat
The only wire rope termination which may be made in the...
单项选择题The only wire rope termination which may be made in the field is().
A.swaged socket B.thimbled mechanical splice C.hand splice D.spelter poured and resin sockets
The main function of the core of a wire rope is to().A....
单项选择题The main function of the core of a wire rope is to().
A.give flexibility B.support the strands laid around it C.allow some circulation around the strands D.allow lubrication inside the rope