A tug is "in irons" when held in a fixed position by ______.A.the weight of its tow，its being anchored，or groundedB.the weight of its towing hawser on the bottomC.an adverse currentD.lack of power or an engine breakdown

题目

A tug is "in irons" when held in a fixed position by ______.

A.the weight of its tow，its being anchored，or grounded

B.the weight of its towing hawser on the bottom

C.an adverse current

D.lack of power or an engine breakdown

相似考题

1.A fixed asset impairments occurs when the fair value of a fixed asset falls below its book value and is not expected to recover.()

2.A tow can override its tug as a result of ______.A.a mechanical breakdown on the tugB.adverse tidal current conditionsC.the tug reducing its speedD.All of the above

3.A tug may be in danger of tripping when ______.A.towed sideways by an overwhelming force on the towlineB.her tow moves parallel to and forward on either side of the tugC.the tow is no longer directly astern but moves up on her quarterD.All of the above

4.Before leaving port on an ocean tow，a tug captain should assure himself of all the following EXCEPT ______.A.the towing hawser can be released quickly in an emergencyB.the correct navigation lights are rigged and operable on the tug and towC.an insurance underwriter has prepared a pre-sailing surveyD.a pick-up wire has been rigged on the tow in case of a breakaway.

更多“A tug is "in irons" when held in a fixed position by ______.A.the weight of its tow,its be ”相关问题

  • 第1题：

    A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit ______.

    A.the masthead lights for a towing vessel

    B.the lights for a vessel restricted in its ability to maneuver

    C.sidelights，stern light and towing light

    D.All of the above


    正确答案：D

  • 第2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3题：

    How can a SART’s effective range be maximized?______

    A.The SART should be placed in water immediately upon activation.

    B.The SART should be held as high as possible.

    C.Switch the SART into the “high” power position.

    D.If possible, the SART should be mounted horizontally so that its signal matches that of the searching radar signal.


    正确答案：B
    SART应该举得尽可能高，则有效距离才能达到最大。

  • 第4题：

    单选题
    A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged. It should be（）.
    A

    replaced in its proper location if weight loss is no more than 15%

    B

    replaced in its proper location if weight loss is no more than 25%

    C

    labeled empty and recharged as soon as possible

    D

    labeled empty and replaced in its proper location regardless of weight


    正确答案： C
    解析： 暂无解析

  • 第5题：

    单选题
    A tug in irons is（）.
    A

    rudder bound

    B

    being tripped by the towline

    C

    unable to maneuver

    D

    broached


    正确答案： B
    解析： 暂无解析

  • 第6题：

    单选题
    When starting an engine, the compressed air enters the cylinder when the corresponding piston is in position of its（）
    A

    suction stroke

    B

    compression stroke

    C

    power stroke

    D

    exhaust stroke


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    If a vessel under tow starts jumping on its tow line，the most appropriate action to alleviate the condition is to（）.
    A

    change course

    B

    slow down

    C

    heave to

    D

    adjust tow line length


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    In restricted visibility a towed vessel must sound a fog signal when it is（）.
    A

    the last vessel in the tow

    B

    the last vessel in the tow and it is carrying a crew

    C

    manned，regardless of its position in the tow

    D

    None of the above are correct


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
    A

    HF

    B

    VHF

    C

    MF

    D

    MF/HF


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    The condition where a ship on the end of a tow line is riding a wave crest at the same time as its tug rides a wave crest is known as riding in（）.
    A

    synchronism

    B

    harmony

    C

    check

    D

    step


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    A tow can override its tug as a result of（）.
    A

    a mechanical breakdown on the tug

    B

    adverse tidal current conditions

    C

    the tug reducing its speed

    D

    All of the above


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    What does the DSC control unit do if the GMDSS radio operator fails to insert updated information when initiating a DSC distress alert?（）
    A

    It will abort the transmission and set off an audible alarm that must be manually reset

    B

    It will initiate the DSC distress alert but，as no information will be transmitted，rescue personnel will not be able to identify the vessel，its position or its situation

    C

    It will initiate the DSC distress alert and default information will automatically be transmitted

    D

    It will initiate the DSC distress alert，but any station receiving it will have to establish contact with the distressed vessel to determine its identity，position and situation


    正确答案： D
    解析： 暂无解析

  • 第13题：

    With a large tow astern，there is immediate danger to the tug in the event of the ______．

    A.Tug losing power

    B.Tow line parting

    C.Bridle twisting

    D.Tow broaching


    正确答案：A

  • 第14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15题：

    单选题
    A tug is “in irons” when held in a fixed position by（）
    A

    the weight of its tow，its being anchored，or grounded

    B

    the weight of its towing hawser on the bottom

    C

    an adverse current

    D

    lack of power or an engine breakdown


    正确答案： C
    解析： 暂无解析

  • 第16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17题：

    单选题
    When a feature remains in its existing charted position but has a change of characteristic,（）command is used on a chart.
    A

    MOVE

    B

    DELETE

    C

    AMEND

    D

    SUBSTITUTE


    正确答案： B
    解析： 暂无解析

  • 第18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19题：

    单选题
    A tug may be in danger of tripping when（）.
    A

    towed sideways by an overwhelming force on the towline

    B

    her tow moves parallel to and forward on either side of the tug

    C

    the tow is no longer directly astern but moves up on her quarter

    D

    All of the above


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    Every lifeboat which is fitted with a fixed（）VHF radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
    A

    one-way

    B

    two-way

    C

    double-effect

    D

    one-effect


    正确答案： C
    解析： 暂无解析

  • 第21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

  • 第22题：

    单选题
    The tug can tow and push（）（超级油轮 ）into position.
    A

    barge

    B

    ULCC

    C

    dredger

    D

    LNG carrier


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    The locking pin that joins the parts of a detachable link is held in position by（）.
    A

    a tack weld

    B

    the self-locking characteristics of its taper

    C

    a cotter pin

    D

    a lead plug


    正确答案： B
    解析： 暂无解析

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