A.eliminate navigational hazards by allowing the chain to lie along the harbor bottom
B.increase the anchor's reliability by providing a large catenary in the chain
C.permit the ship to maneuver in the stream while weighing anchors
D.prevent damage to the stern caused by swinging against the pier in the approach
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A.facilitate speed of recovery during the weighing process
B.indicate the anchor's location to passing or mooring ships
C.prevent damage to the stern in the event of a headwind
D.provide a steady platform for the gangway between the fantail and pier
A.spring tide
B.flood tide
C.ebb tide
D.slack water
A.swing wide and approach the pier so as to land starboard side to
B.approach the pier on a parallel course at reduced speed
C.make your approach at a greater angle than in calm weather
D.point the vessel's head well up into the slip and decrease your speed
A.The vessel will not reverse direction in a tidal current
B.The radius of the vessel's swing will be shortened
C.A mooring approach may be made from any direction
D.The vessel will not swing with a change in wind
A.soft mud
B.sand
C.silt
D.soft to firm clays
最新試題
A check line is（）.
（）is not a step for anchoring preparation.
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 proceeding down a channel and lose the engine（s）.You must use the anchors to stop the ship.Which statement is true（）.
When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）（）.
A（）is the intersection of the surface of a sphere and a plane passing through the center of the sphere.
A ship will always want to settle into a position where（）.
You are docking a vessel in a slip which has its entrance athwart the tide.You land the ship across the end of the pier，stemming the tide，preparatory to breaking the ship around the corner.You have one tug to assist．Where would you generally tie up the tug（）.
Your vessel is anchored in an open roadstead with three shots of chain out on the port anchor.The wind freshens considerably and the anchor begins to drag.Which action should you take FIRST（）.
The centre of lateral resistance is（）.