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 atta

题目

Where do fatigue failures of wire rope mooring lines usually occur ________.

A.In the middle part of the line length

B.Near the socketed end fitting adjacent to the anchor

C.At the point where the line touches the bottom

D.At the place the anchor buoy is attached to the line


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参考答案和解析
正确答案:B
更多“Where do fatigue failures of wire rope mooring lines usually occur ________.A.In the middl ”相关问题
  • 第1题:

    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


    正确答案:B
    系泊缆绳被描述为6x24,1-3/4英寸的钢丝绳。以上数字代表什么?股数、金属丝、直径。

  • 第2题:

    Chafing gear(防摩擦装置) is used to______.

    A.anchor the boat

    B.pick up heavy loads

    C.protect fiber rope from abrasion

    D.strengthen mooring lines


    正确答案:C
    防磨装置减少和防止由于别的物体摸彩引起的磨损。

  • 第3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 system

    B.reduce the time to retrieve the line

    C.increase the holding power

    D.reduce the catenary


    正确答案:C
    在锚链与缆绳并用的系泊系统中,缆绳的作用主要是增强系泊强度。

  • 第4题:

    及时调整缆绳。()

    • A、Adjust the mooring lines on time.
    • B、Adjust the mooring lines in time.
    • C、Adjust the mooring lines quickly.
    • D、Adjust the mooring lines slowly.

    正确答案:B

  • 第5题:

    单选题
    The strongest method of forming an eye in wire rope is using().
    A

    three wire rope clamps

    B

    an eye splice with four or five tucks

    C

    a thimble fastened with four or five tucks

    D

    a wire rope socket attached with zinc


    正确答案: D
    解析: 暂无解析

  • 第6题:

    单选题
    Where are the test certificates,for wire rope used as cargo runners,and loose gear certificates usually maintained? ()
    A

    With the Cargo Gear Register on the ship

    B

    In the Official Log

    C

    At the Coast Guard Marine Safety Office with the vessel's inspection records

    D

    At the central records center of the agency testing the cargo gear


    正确答案: B
    解析: 暂无解析

  • 第7题:

    单选题
    Chafing gear is used to().
    A

    anchor the boat

    B

    pick up heavy loads

    C

    protect fiber rope from abrasion

    D

    strengthen mooring lines


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    What is the accepted standard for wire rope falls used in connection with the lifeboat gear?()
    A

    Six by seven galvanized wire rope

    B

    Six by twenty-four improved plow steel wire rope

    C

    Six by thirty-seven preformed fiber-core wire rope

    D

    Six by nineteen regular-lay filler wire rope


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    A wire rope that has been overstrained will show().
    A

    a bulge in the wire where the strain occurred

    B

    a decrease in diameter where the strain occurred

    C

    a kink in the wire where the strain occurred

    D

    no visible effects of an overstrain


    正确答案: D
    解析: 暂无解析

  • 第10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 safety

    B

    Number of wires per strand

    C

    Number of strands per wire rope

    D

    Number of wires in the core


    正确答案: C
    解析: 暂无解析

  • 第11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 lines

    B

    a strain on the mooring lines

    C

    chafing gear on the mooring lines

    D

    grease on the mooring lines


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    A “spring line” is().
    A

    any wire rope used for mooring

    B

    a fire-warp

    C

    a mooring line running diagonally to the keel

    D

    a mooring line perpendicular to the keel


    正确答案: B
    解析: 暂无解析

  • 第13题:

    Chafing gear should be placed______.

    A.at all wearing points of mooring lines

    B.around running rigging

    C.on wire rope only forces

    D.at the bitter ends of all standing rigging


    正确答案:A
    防(摩)擦装置应被放在所有系泊缆绳的摩擦点上。

  • 第14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.weaker

    B.equal

    C.greater

    D.Indeterminable


    正确答案:A
    考虑到同样的吃水和绳的张力,用一个19英寸的钢丝缆系泊系统与一个90英寸的相比较弱一些。

  • 第15题:

    Ropes can be divided into three types: ().

    • A、natural fiber rope, manila rope and synthetic rope
    • B、natural fiber rope, synthetic rope and wire rope
    • C、synthetic rope, manila rope and wire rope
    • D、synthetic rope, manila rope and wooden rope

    正确答案:B

  • 第16题:

    单选题
    When securing a hook to the end of a wire rope you should use().
    A

    A bowline knot

    B

    A long splice

    C

    An overhand knot with a wire rope clip

    D

    Wire rope clips with a thimble eye


    正确答案: C
    解析: 暂无解析

  • 第17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,circumference

    B

    Strands,wires,diameter

    C

    Wires,yarns,diameter

    D

    Strands,circumference,wires


    正确答案: D
    解析: 暂无解析

  • 第18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 gypsyhead

    B

    If there is sudden strain on the line,the man tending the line may be pulled into the gypsyhead

    C

    The lines' surging may cause the vessel to surge

    D

    The heat generated may cause the lines to temporarily fuse to the gypsyhead


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    Chafing gear should be placed().
    A

    at all wearing points of mooring lines

    B

    at the bitter ends of all standing rigging

    C

    around running rigging

    D

    on wire rope only


    正确答案: C
    解析: 暂无解析

  • 第20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 system

    B

    reduce the time to retrieve the line

    C

    increase the holding power

    D

    reduce the catenary


    正确答案: C
    解析: 暂无解析

  • 第21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 line

    B

    forward spring/after spring

    C

    forward breast rope/forward spring

    D

    slip rope/stern line


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core().
    A

    Fiber core rope offers greater strength

    B

    Fiber core rope offers greater flexibility

    C

    Fiber core rope can be used at higher operating temperatures

    D

    Fiber core rope is the only type authorized for cargo runners


    正确答案: C
    解析: 暂无解析

  • 第23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

    weaker

    B

    equal

    C

    greater

    D

    indeterminable


    正确答案: A
    解析: 暂无解析