A.for portable fenders
B.for ground tackle
C.on the inside of the hawsepipe
D.on mooring lines
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A.a factor of safety
B.additional strength
C.a distribution of the towing load
D.All of the above
A.the total weight in air of the casing string is removed from the ship
B.the hook load (weight of the casing string) is removed from the ship
C.the weight of the casing inside the riser is removed from the ship
D.the weight of the casing string added to the weight of the fill-up mud is removed from the ship
A.equal to the chains they are connecting
B.25% more than the chains they are connecting
C.50% more than the chains they are connecting
D.100% more than the chains they are connecting
A.half the breaking strength of the mooring line
B.the full breaking strength of the mooring line
C.the maximum expected tension of the mooring line
D.50% over the working tension of the mooring line
A.removed from the anchor chain
B.connected to a buoy at the anchor
C.stripped back to the rig and secured
D.connected to a buoy halfway down the chain
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A splice that can be used in running rigging，where the line will pass through blocks，is a（）.
The size of wire rope is determined by the（）.
The only wire rope termination which may be made in the field is（）.
The rope which is the lightest is（）.
A whipping on a fiber line（）.
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（）.
A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a（）.
The main function of the core of a wire rope is to（）.
Anchor shackles should have a breaking strength that is（）.
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.