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单选题
Two mooring lines may be placed on the same bollard and either one cast off first if（）.
A
the eye of the second line is dipped
B
the mooring lines are doubled
C
the bollard has two horns
D
one of the lines is a breast line
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If two mooring lines are to be placed on the same bollard，which method is BEST?______.A.Place the eye from the forward line on the bollard and then place the eye from the second line directly over the firstB.It makes no difference how the lines are placedC.Place the eye from either line on the bollard，and then bring the eye of the other line up through the eye of the first，and place it on the bollardD.Place both eyes on the bollard，in any manner，but lead both lines to the same winch head on the vessel and secure them on the winch
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单选题During storm conditions on a vessel，the mooring tensions should be adjusted so that（）.A
all mooring lines have a different tensionB
the leeward lines have higher tension than the windward linesC
the maximum tension of the most heavily loaded line does not exceed the safe working loadD
all horizontal tension forces on the windward lines are no greater than the vertical tension forces
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单选题What is likely to occur when you are surging synthetic mooring lines on the gypsyhead during mooring operations?（）A
The lines may jam and then jump off the gypsyheadB
If there is sudden strain on the line，the man tending the line may be pulled into the gypsyheadC
The lines' surging may cause the vessel to surgeD
The heat generated may cause the lines to temporarily fuse to the gypsyhead
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单选题Tensile stress is a result of two forces acting in（）.A
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单选题A Chinese stopper (two lines) will hold best when you（）.A
fasten the bitter ends to the mooring line with half hitchesB
twist the ends together and hold them in the direction of the pullC
twist the ends together and hold them in the direction opposite to the pullD
twist the ends together and hold them at right angles to the mooring line
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单选题A position that is obtained by using two or more intersecting lines of position taken at nearly the same time，is a(n) （）.A
fixB
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dead-reckoning position
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单选题You should slack the mooring lines （）when the wind is big.A
at the same timeB
on timeC
in timeD
at times
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单选题Get ready the mooring machinery, mooring lines and the gangway for （）.A
loading cargoB
arrival in portC
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单选题You should （）the mooring lines at the same time when the wind is big.A
fastenB
slackC
fastD
slacken
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Place the eye from the forward line on the bollard and then place the eye from the second line directly over the firstB
It makes no difference how the lines are placedC
Place the eye from either line on the bollard，and then bring the eye of the other line up through the eye of the first，and place it on the bollardD
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考题
单选题The best method for tying two lines of the same size together is by using a（）.A
becket bendB
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single carrick bendD
square knot
考题
单选题A storm is forecast for the area where your vessel is moored. For its safety you should put （）.A
more slack in the mooring linesB
a strain on the mooring linesC
chafing gear on the mooring linesD
grease on the mooring lines
考题
单选题Mooring with two bow anchors has which major advantage over anchoring with one bow anchor? （）.A
The vessel will not reverse direction in a tidal currentB
The radius of the vessel's swing will be shortenedC
A mooring approach may be made from any directionD
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考题
单选题Which statement is TRUE about placing the eyes of two mooring lines on the same bollard?（）A
Put one line at the low point and one at the high point of the bollard so they don't touchB
Take the eye of the second line up through the eye of the first line before putting the second line on the bollardC
Never put two mooring lines on the same bollardD
The mooring line forward should be put on the bollard first
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单选题The ARPA may swap targets when automatically tracking if two targets（）.A
are tracked on reciprocal bearingsB
are tracked at the same rangeC
are tracked on the same bearingD
pass close together
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单选题In a storm，the leeward lines of a ship’s mooring system will（）.A
pull the unit in the same direction that the weather is pushing itB
pull the unit in the opposite direction that the weather is pushing itC
tend to keep the unit on its original location over the well headD
affect the unit's draft and inclination as maximum mooring tensions are reached
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