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 turning a ship in restricted space with a strong wind，it is normally best to（）.
Which would you NOT use to report the amount of anchor chain out? Three shots（）.
A ship will always want to settle into a position where（）.
Conventional anchors are least likely to hold in a bottom consisting of（）.
When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）（）.
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（）.
You are proceeding down a channel and lose the engine（s）.You must use the anchors to stop the ship.Which statement is true（）.
You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel（）.
If the ship is alongside the wharf，what kind of（）is used?
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.