A.engaged in fishing in a traffic lane
B.servicing a submarine cable
C.towing another
D.engaged on pilotage duty
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A.of
B.on
C.alongside
D.to
A.that had been driven
B.had been driven
C.have been driven
D.which to have been driven
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
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
A.design of the anchor
B.weight of the anchor
C.scope of the anchor chain
D.size of the vessel
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All the following is true except that（）.
When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）（）.
Pilotage in this country is（）.
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 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（）.
What effect is achieved from soaking an anchor（）．
You are riding to a single anchor.The vessel is yawing excessively.Which action should be taken to reduce the yawing（）.
A（）is the intersection of the surface of a sphere and a plane passing through the center of the sphere.
You are anchoring in 16 fathoms of water．On a small to medium size vessel，the（）.
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（）.