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
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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
A.keeps the ends from fraying
B.strengthens it
C.protects your hands
D.becomes part of a splice
A.a messenger
B.a stopper for nylon line
C.a U-bolt for securing a cargo whip to the winch drum
D.turns of twine around a rope end
A.boom
B.lift
C.raise
D.tackle
最新試題
The main function of the core of a wire rope is to（）.
In moderate wind and current what should be the length of chain with a single anchor?（）
Herringbone is a term associated with（）.
If an attempt is made to hoist a load that exceeds the capacity of an electric winch，an overload safety device causes a circuit breaker to cut off the current to the winch motor（）.
Manila lines in which the strands are right-hand laid（）.
Galvanizing would be suitable for protecting wire rope which is used for（）.
Limit switches on gravity davits should be tested by（）.
Anchor shackles should have a breaking strength that is（）.
A splice that can be used in running rigging，where the line will pass through blocks，is a（）.
Extended cyclical variations in tensions will cause an anchor chain to break due to（）.