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
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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
A.identification
B.distinction
C.discrimination
D.clearly seeing
最新試題
You are proceeding down a channel and lose the engine（s）.You must use the anchors to stop the ship.Which statement is true（）.
Conventional anchors are least likely to hold in a bottom consisting of（）.
You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel（）.
A ship will always want to settle into a position where（）.
You are landing a single-screw vessel，with a right-hand propeller，starboard side to the dock.When you have approached the berth and back the engine，you would expect the vessel to （）.
What effect is achieved from soaking an anchor（）．
All the following is true except that（）.
That（）is not caused by shallow water.
Which would you NOT use to report the amount of anchor chain out? Three shots（）.
When anchoring，good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use（）.