A.Their yellow book
B.Their seaman's book
C.Their Pilotage form
D.Their bill of health
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A.A hard hat
B.A long sleeve shirt
C.Gloves
D.Goggles
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
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
最新試題
When entering the bridge，pilots of the Suez Canal want the master of the ship to fill in （）.
You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel（）.
You are riding to a single anchor.The vessel is yawing excessively.Which action should be taken to reduce the yawing（）.
Mariners should ensure correct（）of aids to navigation during twilight periods when some lighted aids to navigation are lit while others are not.
When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating （）.
（）is not a step for anchoring preparation.
Pilotage in this country is（）.
If a ship has sternway，with accommodation block aft，she may settle with the wind（）.
What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions（）.
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 （）.