A.amount of chain lying along the bottom increases
B.length of the catenary is reduced
C.mooring line tension is increased
D.amount of chain lying along the bottom decreases
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A.design of the anchor
B.weight of the anchor
C.scope of the anchor chain
D.size of the vessel
A.the amount of line paid out
B.how much the vessel sheers while at anchor
C.any change in the tautness of the anchor chain
D.changes in bearings of fixed objects onshore
A.eliminate navigational hazards by allowing the chain to lie along the harbor bottom
B.increase the anchor's reliability by providing a large catenary in the chain
C.permit the ship to maneuver in the stream while weighing anchors
D.prevent damage to the stern caused by swinging against the pier in the approach
A.facilitate speed of recovery during the weighing process
B.indicate the anchor's location to passing or mooring ships
C.prevent damage to the stern in the event of a headwind
D.provide a steady platform for the gangway between the fantail and pier
A.spring tide
B.flood tide
C.ebb tide
D.slack water
最新試題
A “Mediterranean moor” should be used when（）.
You are entering port and have been instructed to anchor，as your berth is not yet available.You are on a SW’ly heading，preparing to drop anchor，when you observe the range lights as shown on your starboard beam.You should（）.
If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out（）.
You are planning to anchor in an area where several anchors have been lost due to fouling.As a precaution，you should（）.
That（）is not caused by shallow water.
What effect is achieved from soaking an anchor（）．
You are proceeding down a channel and lose the engine（s）.You must use the anchors to stop the ship.Which statement is true（）.
Sometimes lights are（）by fog，haze，dust，smoke，or precipitation which may be present at the light，or between the light and the observer，and which is possibly unknown by the observer.
Which would you NOT use to report the amount of anchor chain out? Three shots（）.
When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating （）.