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The holding capability of an anchor is primarily determined by the ______．
A.Shape of the anchor
B.Stowage of the anchor on board
C.Anchor's ability to dig in
D.Size of the vessel and its draft
参考答案
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锚已抓底了吗？（）A、Is the anchor up and down?B、Is the anchor fouling?C、Is the anchor holding?D、Is the anchor across?
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单选题The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?（）A
It will have no effectB
It will increase the holding powerC
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单选题In moderate wind and current what should be the length of chain with a single anchor?（）A
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10 times the depth of the water in shallow waterC
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单选题If you shorten the scope of anchor cable，your anchor’s holding power（）.A
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increasesC
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单选题In a combination chain and wire rope mooring system，the anchor chain is deployed at the anchor end of the line to（）.A
increase fatigue life of the systemB
reduce the time to retrieve the lineC
increase the holding powerD
reduce the catenary
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单选题When the anchor is brought to and holding，the horizontal component of anchor cable tensions should equal the（）.A
displacement tonnageB
weight forcesC
buoyancy forcesD
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单选题The holding power of an anchor increases when the（）.A
amount of chain lying along the bottom increasesB
length of the catenary is reducedC
mooring line tension is increasedD
amount of chain lying along the bottom decreases
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单选题In determining the scope of cable to be used when anchoring，what would NOT be considered?（）.A
Depth of the waterB
Character of the holding groundC
maintenance cost for the chainD
Type of anchor cable
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单选题锚已抓底了吗？（）A
Is the anchor up and down?B
Is the anchor fouling?C
Is the anchor holding?D
Is the anchor across?
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单选题What is the holding power ratio of an anchor? （）A
Maximum mooring line tension divided by the anchor's weight in airB
Anchor's weight in air divided by the maximum mooring line tensionC
Preloading tension divided by the anchor's weight in airD
Operating tension divided by the anchor's weight in air
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单选题The holding capability of an anchor is primarily determined by the（）.A
shape of the anchorB
stowage of the anchor on boardC
anchor's ability to dig inD
size of the vessel and its draft
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单选题The holding power of an anchor is the（）.A
maximum sustained vertical load an anchor will resist before draggingB
maximum sustained horizontal load an anchor will resist before draggingC
maximum sustained vertical load an anchor will resist before the mooring line breaksD
maximum sustained horizontal load an anchor will resist before the mooring line breaks
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The efficiency increasesB
The efficiency decreasesC
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The efficiency cannot be determined.
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decrease the holding power of your anchorB
decrease the swing of your vessel while at anchorC
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increase the possibility that your vessel will drag anchor
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Breaking strength of the chainB
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单选题What is the bow type anchor shackle primarily used for（）.A
Chain to chain connectionsB
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Wire rope connections
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单选题To develop maximum anchor holding power，the optimum angle between the anchor’s shank and the mooring lines is（）.A
0 degreesB
10 degreesC
20 degreesD
30 degrees
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单选题The holding capabilities of an anchor are determined PRIMARILY by the（）.A
design of the anchorB
weight of the anchorC
scope of the anchor chainD
size of the vessel
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单选题Increasing the area of the anchor flukes will（）.A
increase holding powerB
decrease holding powerC
make penetration more completeD
not effect holding power
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