A.that had been driven
B.had been driven
C.have been driven
D.which to have been driven
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A.pelican hook
B.hydraulic deck stopper
C.connecting link
D.shackle
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
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
最新試題
A ship will always want to settle into a position where（）.
What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions（）.
（）is not a step for anchoring preparation.
Which would you NOT use to report the amount of anchor chain out? Three shots（）.
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（）.
When anchoring，good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use（）.
A check line is（）.
All the following is true except that（）.
Mariners should ensure correct（）of aids to navigation during twilight periods when some lighted aids to navigation are lit while others are not.
When turning a ship in restricted space with a strong wind，it is normally best to（）.