A.ability of the anchors to hold in a seabed
B.anchor chain catenary length
C.variability of the fairlead
D.angle of the flukes
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A.A downbound vessel
B.An upbound vessel
C.Current reaction when the lock chamber is being emptied
D.Current reaction when the lock chamber is being filled
A.pigtail chain
B.thrash chain
C.crown chain
D.wear chain
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
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
最新試題
When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating （）.
You are mooring to a buoy．You should approach the buoy with the current from（）.
The centre of lateral resistance is（）.
A ship will always want to settle into a position where（）.
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.
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（）.
All the following is true except that（）.
You are anchoring in 16 fathoms of water．On a small to medium size vessel，the（）.
When entering the bridge，pilots of the Suez Canal want the master of the ship to fill in （）.
You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn.If you observe the buoy moving aft relative to you，what should you do（）.