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
Herringbone is a term associated with（）.
The rolling hitch could be used to（）.
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
The size of wire rope is determined by the（）.
Limit switches on gravity davits should be tested by（）.
Manila slings should not be used to load（）.
The rope which is the lightest is（）.
The square knot is used for（）.
The purpose of a devil’s claw is to（）.
In securing a towing cable，consideration must be given to letting go in an emergency. The possible whip of towlines when released can be overcome by（）.