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
If a ship has sternway，with accommodation block aft，she may settle with the wind（）.
You are riding to a single anchor.The vessel is yawing excessively.Which action should be taken to reduce the yawing（）.
The centre of lateral resistance is（）.
You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel（）.
You are approaching the pilot station with the wind fine on the starboard bow and making about 3 knots.You can help to calm the seas by taking what action just before the pilot boat comes along on the port side（）.
Conventional anchors are least likely to hold in a bottom consisting of（）.
When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）（）.
You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn.If you observe the buoy moving aft relative to you，what should you do（）.
Mariners should ensure correct（）of aids to navigation during twilight periods when some lighted aids to navigation are lit while others are not.
You are anchoring in 16 fathoms of water．On a small to medium size vessel，the（）.