The choice of length of tow bridle legs is governed by the ______．A.Expected towing forcesB.Capability of retrieving gearC.Freeboard of the unit being towedD.Need to reduce yaw

题目

The choice of length of tow bridle legs is governed by the ______．

A.Expected towing forces

B.Capability of retrieving gear

C.Freeboard of the unit being towed

D.Need to reduce yaw

相似考题

1.One advantage of chain over wire rope for a tow bridle is that chain ______.A.is better suited for inland towingB.resists damage from chafingC.handles more easilyD.equalizes towing forces better

2.A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain ______.A.is more flexible and has the ability to absorb shock because of its weightB.is less subject to wear and damage from abrasionC.requires little maintenanceD.All of the above

3.With a large tow astern，there is immediate danger to the tug in the event of the ______．A.Tug losing powerB.Tow line partingC.Bridle twistingD.Tow broaching

4.An ocean towing bridle whose legs are of equal length，but too short，may ______.A.fail to provide spring in the hawserB.cause unequal distribution of the load to one legC.cause the bridle legs to jump clear of the chocks or fairleadsD.None of the above

更多“The choice of length of tow bridle legs is governed by the ______.A.Expected towing forces ”相关问题

  • 第1题：

    A tow astern is veering from side to side on its towline．The best way of controlling the action is to ______．

    A.Trim the tow by the bow

    B.Trim the tow by the stern

    C.List the tow to windward

    D.Adjust the length of the towing bridle


    正确答案：B

  • 第2题：

    A chain bridle is used when towing astern because it ______.

    A.is easy to connect

    B.provides an effective catenary and absorbs shock due to its weight

    C.makes rigging a swivel unnecessary

    D.prevents the tow from yawing by the drag of the chains in a seaway


    正确答案：B
    当拖尾部的时候，锚链被使用，提供有效的下垂曲线，和减缓由于重量引起的震动。

  • 第3题：

    单选题
    An ocean towing bridle should（）.
    A

    have equal legs of sufficient length

    B

    have a large angle between the legs

    C

    be formed on a bight of cable through a ring

    D

    never be made up of chain


    正确答案： D
    解析： 暂无解析

  • 第4题：

    单选题
    You see a vessel carrying a black diamond which indicates a（）.
    A

    vessel towing astern

    B

    barge pushed ahead

    C

    vessel towing astern only when the length of her tow exceeds 200 meters

    D

    this signal does not exist in international waters


    正确答案： C
    解析： 暂无解析

  • 第5题：

    单选题
    A bridle for an ocean tow consists of（）.
    A

    two chains of equal length

    B

    a single nylon pendant rove through a heavy ring free to move on the pendant

    C

    two long legs of wire rope shackled to a fishplate

    D

    a single length of heavy chain with both ends secured on deck to welded pad eyes


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    An ocean towing bridle whose legs are of equal length，but too short，may（）.
    A

    fail to provide spring in the hawser

    B

    cause unequal distribution of the load to one leg

    C

    cause the bridle legs to jump clear of the chocks or fairleads

    D

    None of the above


    正确答案： B
    解析： 暂无解析

  • 第7题：

    单选题
    A chain bridle is used when towing astern because it（）.
    A

    is easy to connect

    B

    provides an effective catenary and absorbs shock due to its weight

    C

    makes rigging a swivel unnecessary

    D

    prevents the tow from yawing by the drag of the chains in a seaway


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    Which statement is TRUE concerning hawser towing? （）
    A

    The catenary in a hawser should be sufficient so that the hawser just touches the bottom

    B

    The hawser is of sufficient length for towing when taut between tug and tow

    C

    Increasing speed usually increases the catenary in the hawser

    D

    Shortening the tow hawser generally decreases the maneuverability of the tug


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    When towing astern，one way to reduce yawing of the tow is to（）.
    A

    trim the tow by the stern

    B

    trim the tow by the head

    C

    have the tow on an even keel

    D

    list the tow on the side it is yawing


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    A tow bridle is attached to the main tow hawser at the（）.
    A

    bight ring

    B

    tow hook

    C

    fishplate

    D

    swivel


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain（）.
    A

    is more flexible and has the ability to absorb shock because of its weight

    B

    is less subject to wear and damage from abrasion

    C

    requires little maintenance

    D

    All of the above


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    As seen from the tow，what should connect the leading ends of both towing bridle legs to the main towing hawser?（）
    A

    A cable clamp

    B

    A fishplate，flounder，or towing plate

    C

    A pad eye

    D

    The towing bitts


    正确答案： C
    解析： 暂无解析

  • 第13题：

    A bridle for an ocean tow consists of ______.

    A.two chains of equal length

    B.a single nylon pendant rove through a heavy ring free to move on the pendant

    C.two long legs of wire rope shackled to a fishplate

    D.a single length of heavy chain with both ends secured on deck to welded pad eyes


    正确答案：A
    远洋拖轮的八字形马鞍链由两条相同长度的锚链组成。

  • 第14题：

    单选题
    One advantage of chain over wire rope for a tow bridle is that chain（）.
    A

    is better suited for inland towing

    B

    resists damage from chafing

    C

    handles more easily

    D

    equalizes towing forces better


    正确答案： D
    解析： 暂无解析

  • 第15题：

    单选题
    The choice of length of tow bridle legs is governed by the（）.
    A

    expected towing forces

    B

    capability of retrieving gear

    C

    freeboard of the unit being towed

    D

    need to reduce yaw


    正确答案： C
    解析： 暂无解析

  • 第16题：

    单选题
    In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.
    A

    insure that the hawser leads directly aft as it passes over the stern of the towing vessel

    B

    increase the stability of the towing vessel by raising the hawser off the deck

    C

    reduce chafing of the towing hawser

    D

    prevent fouling of the hawser on deck gear located on the stern of the towing vessel


    正确答案： B
    解析： 暂无解析

  • 第17题：

    单选题
    The biggest problem encountered when towing bridle legs are too short is（）.
    A

    retrieval

    B

    adjusting tension

    C

    excessive strain

    D

    hookup to main towline


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    If the towing bridle legs are not of equal length（）.
    A

    excessive strain is placed on the shorter leg

    B

    the shorter leg may fail

    C

    the longer leg is slack

    D

    All of the above


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to（）.
    A

    one-half the SWL of the main towing hawser

    B

    three-fourths the SWL of the main towing hawser

    C

    that of the main towing hawser

    D

    twice that of the main towing hawser


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    When connecting the tow bridle to a tug, the end of the bridle is passed with a（）.
    A

    heaving line

    B

    shot line

    C

    high line

    D

    messenger line


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    In towing，heaving lines are used for（）.
    A

    passing a tow bridle to the tug

    B

    passing a messenger line

    C

    heaving in the tow bridle

    D

    service lines with rocket line throwers


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Which will NOT reduce yawing of a tow?（）
    A

    Increasing the length of the towing hawser

    B

    Trimming the tow by the bow

    C

    Trimming the tow by the stern

    D

    Drogues put over the stern


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    A tow astern is veering from side to side on its towline. The best way of controlling the action is to（）.
    A

    trim the tow by the bow

    B

    trim the tow by the stern

    C

    list the tow to windward

    D

    adjust the length of the towing bridle


    正确答案： A
    解析： 暂无解析

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