A.all the fall except the hauling part
B.the hook that engages the weight to be moved
C.that part to which power is applied
D.that part of the falls made fast to one of the blocks
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A.forming temporary eyes in lines
B.joining two lines of equal size
C.keeping line from unlaying or fraying
D.joining two lines of different size
A.number of strands
B.number of wires in each strand
C.circumference
D.diameter
A.raise the boom
B.raise the hook
C.raise the boom and hook
D.check the boom stop
A.manila
B.nylon
C.polypropylene
D.dacron
A.gantline
B.life line
C.strop
D.whip
最新試題
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
If kinking results while wire rope is being coiled clockwise，you should（）.
The rope which is rove from the truck to be used with a bos’n chair is called a（）.
Anchor shackles should have a breaking strength that is（）.
A whipping is（）.
Manila lines in which the strands are right-hand laid（）.
The purpose of a devil’s claw is to（）.
Limit switches on gravity davits should be tested by（）.
The only wire rope termination which may be made in the field is（）.
Manila slings should not be used to load（）.