A.One shot of chain for every ten feet of water
B.One shot of chain for every fifteen feet of water
C.One shot of chain for every thirty feet of water
D.One shot of chain for every ninety feet of water
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A.It allows the bottom soil to consolidate
B.It gives the palms time to trip the anchor
C.It stabilizes the mooring system
D.It lubricates the anchor for better tripping
A.the center of the hydrodynamic forces acting on the underwater hull to resist the effect of the wind
B.the point of influence of wind on the ship
C.the pivot point
D.the point on the ship's above-water structure upon which the whole force of the wind can be considered an act
A.turning ability deteriorates
B.virtual mass increases
C.the effect of the propeller transverse thrust on yaw alters
D.the ship will turn with its head towards the wind
A.obscured
B.darkened
C.greyed
D.delighted
A.Free of charge
B.Important
C.Required
D.Unnecessary
最新試題
Which would you NOT use to report the amount of anchor chain out? Three shots（）.
What effect is achieved from soaking an anchor（）．
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.
All the following is true except that（）.
When entering the bridge，pilots of the Suez Canal want the master of the ship to fill in （）.
You are approaching the pilot station with the wind fine on the starboard bow and making about 3 knots.You can help to calm the seas by taking what action just before the pilot boat comes along on the port side（）.
You are riding to a single anchor.The vessel is yawing excessively.Which action should be taken to reduce the yawing（）.
（）is not a step for anchoring preparation.
You are planning to anchor in an area where several anchors have been lost due to fouling.As a precaution，you should（）.
When turning a ship in restricted space with a strong wind，it is normally best to（）.