A.for portable fenders
B.for ground tackle
C.on the inside of the hawsepipe
D.on mooring lines
您可能感興趣的試卷
你可能感興趣的試題
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
最新試題
The size of wire rope is determined by the（）.
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（）.
Chafing gear is normally used（）.
Neglecting friction，you desire to lift a 300 kgs weight with a stress on the hauling part of 100 kgs.Which of the following tackles would you use?（）.
Compared to manila line，size for size，nylon line（）.
If kinking results while wire rope is being coiled clockwise，you should（）.
An anchor winch should be equipped with mechanical brakes capable of holding（）.
In moderate wind and current what should be the length of chain with a single anchor?（）
The strongest method of forming an eye in wire rope is using（）.
The rolling hitch could be used to（）.