A.fatigue
B.corrosion
C.distortion
D.abrasion
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A.wooden blocks or dunnage placed between a deck load and the deck
B.the chains and shackles used to secure a deck cargo
C.a crate in which a deck cargo is packaged
D.cardboard separation pieces placed between deck loads to prevent chafing
A.has less strength than manila line
B.has more strength than manila line
C.is equivalent to manila line
D.will rot quicker than manila line
A.anchor the boat
B.pick up heavy loads
C.protect fiber rope from abrasion
D.strengthen mooring lines
A.for portable fenders
B.for ground tackle
C.on the inside of the hawsepipe
D.on mooring lines
A.a factor of safety
B.additional strength
C.a distribution of the towing load
D.All of the above
最新試題
The rope which is rove from the truck to be used with a bos’n chair is called a（）.
The size of wire rope is determined by the（）.
A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a（）.
The rope which is the lightest is（）.
Back-up wires on a towed vessel provide（）.
After deploying the anchor，a permanent chain chaser is（）.
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
The only wire rope termination which may be made in the field is（）.
A tackle by which the outer end of a boom is raised and lowered is the topping（）.
The rolling hitch could be used to（）.