A.clean off any mud that may have accumulated on the chain
B.engage or disengage the wildcat
C.fairlead the chain from the hawse pipe to the wildcat
D.prevent the chain from fouling the wildcat
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A.situated／connected
B.situated／connecting
C.situating／connected
D.situating／connecting
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
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
最新試題
The centre of lateral resistance is（）.
Which would you NOT use to report the amount of anchor chain out? Three shots（）.
（）is not a step for anchoring preparation.
When turning a ship in restricted space with a strong wind，it is normally best to（）.
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 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（）.
Conventional anchors are least likely to hold in a bottom consisting of（）.
You are riding to a single anchor.The vessel is yawing excessively.Which action should be taken to reduce the yawing（）.
Pilotage in this country is（）.
When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating （）.