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A mooring line is described as being 6x24, 1-3/4 inch wire rope. What do the above numbers refer to ? ______.
A.Strands, yarns, circumference
B.Strands, wires, diameter
C.Wires, yarns, diameter
D.Strands, circumference, wires
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更多 “ A mooring line is described as being 6x24, 1-3/4 inch wire rope. What do the above numbers refer to ? ______.A.Strands, yarns, circumferenceB.Strands, wires, diameterC.Wires, yarns, diameterD.Strands, circumference, wires ” 相关考题
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A teenager as he was, Frank could resist()what to do and what not to do.
A、being toldB、to be toldC、to tellD、telling
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After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?A．It will recall the previous command lineB．It will move the cursor one line upC．It will redisplay the current command lineD．It will capitalize the command lineE．None of the above
考题
A synthetic mooring line is being heaved on a capstan．There is moderate strain on the line．The line begins to slip．Which of the following should be done？Ⅰ．Stop the capstan and take extra turns．Ⅱ．Have more than one seaman keep a substantial strain on the line and continue heaving easy．A.ⅠonlyB.ⅡonlyC.Both Ⅰand ⅡD.Neither Ⅰ nor Ⅱ
考题
Vessels lying afloat at buoys for more than 24 hours should use anchor chain for ______ and insurance wire for ______.A.bow mooring／stern lineB.forward spring／after springC.forward breast rope／forward springD.slip rope／stern line
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Where do fatigue failures of wire rope mooring lines usually occur ________．A.In the middle part of the line lengthB.Near the socketed end fitting adjacent to the anchorC.At the point where the line touches the bottomD.At the place the anchor buoy is attached to the line
考题
The indication of a slipping anchor is a（n）______．A.Decrease in mooring line lengthB.Increase in the opposite amperageC.Increase in the opposite line tensionD.Decrease in mooring line tension and amperage
考题
Given the same water depth and line tension, the holding power of a 19 pound / foot wire rope mooring system in comparison to the holding power of a 90 pound / foot chain mooring system will be ______.A.weakerB.equalC.greaterD.Indeterminable
考题
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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After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?（）A、It will recall the previous command lineB、It will move the cursor one line upC、It will redisplay the current command lineD、It will capitalize the command lineE、None of the above
考题
单选题A mooring line is described as being 6x24，1-3/4 inch wire rope. What do the above numbersrefer to?（）A
Strands，yarns，circumferenceB
Strands，wires，diameterC
Wires，yarns，diameterD
Strands，circumference，wires
考题
单选题Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white? （）A
A vessel engaged in diving operationsB
A pilot vesselC
A vessel trawlingD
All of the above
考题
单选题After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?（）A
It will recall the previous command lineB
It will move the cursor one line upC
It will redisplay the current command lineD
It will capitalize the command lineE
None of the above
考题
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
考题
单选题You are handling a mooring line and are instructed to Check the line.What should you do（）.A
Ensure the bight is not fouled by taking up slackB
Pay out the line smartly and keep it free for runningC
Secure the line by adding more turnsD
Surge the line so it maintains a strain without parting
考题
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
考题
单选题A vessel engaged in fishing，and at anchor，shall show（）.A
an anchor lightB
sidelights and a stern lightC
three lights in a vertical line，the highest and lowest being red，and the middle being whiteD
None of the above
考题
单选题What could cause a significant difference between actual chain tension and the tension measured by the tensiometer? （）A
The type of anchor and mooring line being usedB
The type of bottom in which the ship is anchoredC
A significant difference between air and water temperatureD
The chain contacting a chock or fairlead between the tensiometer and the lower swivel fairlead
考题
单选题What type of stopper would you use on a nylon mooring line? （）A
ChainB
NylonC
ManilaD
Wire
考题
单选题A vessel enagaged in fishing，and at anchor，shall show（）.A
an anchor lightB
sidelights and a sternlightC
three lights in a vertical line，the highest and lowest being red，and the middle being whiteD
None of the above
考题
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
考题
单选题Vessels lying afloat at buoys for more than 24 hours should use anchor chain for（）and insurance wire for（）.A
bow mooring／stern lineB
forward spring／after springC
forward breast rope／forward springD
slip rope／stern line
考题
单选题A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?（）A
Factor of safetyB
Number of wires per strandC
Number of strands per wire ropeD
Number of wires in the core
考题
单选题The indication of a slipping anchor is a(n)（）.A
decrease in mooring line lengthB
increase in the opposite amperageC
increase in the opposite line tensionD
decrease in mooring line tension and amperage
考题
问答题4 9 6 2 3 4 7 8 2 1 9 6 4 3 2 Multiply by 7 the number of odd numbers which are immediately followed by an even number in the list above. What is the answer?
考题
单选题Given the same water depth and line tension，the holding power of a 19 pound/foot wire rope mooring system in comparison to the holding power of a 90 pound/foot chain mooring system will be（）.A
weakerB
equalC
greaterD
indeterminable
考题
单选题A “spring line” is（）.A
any wire rope used for mooringB
a fire-warpC
a mooring line running diagonally to the keelD
a mooring line perpendicular to the keel
考题
单选题What is normally used to pass a mooring line to a dock?（）A
Distance lineB
GantlineC
Heaving lineD
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