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If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur ________．A.A pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the loadB.An electromagnetic brake will h

题目

If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur ________．

A.A pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the load

B.An electromagnetic brake will hold the load where it is suspended

C.The load will fall rapidly to the deck unless the foot brake is engaged

D.The load will slowly lower to the deck under control of the drag of the winch motor

相似考题

1.________is used for lifting cargo.A.A mooring winchB.A windlassC.A deck craneD.A lifeboat engine

2.A vessel is not in every way fitted for cargo service ______ at the time of her delivery to the charterers her engine room staff is incompetent and inadequate，and accordingly she is unseaworthy．A.whetherB.shouldC.shallD.if

3.You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?A.Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleanedB.The hoses to portable cleaning machines should be disconnected before the machines are removed from the tankC.The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residueD.Steam cleaning and water washing are both capable of generating electrostatic charges within a tank

4.Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?A.Start ventilation，lower the ramp，notify engine roomB.Lower the ramp，start ventilation，notify engine roomC.Notify engine room，lower the ramp，start ventilationD.Start ventilation，notify engine room，lower the ramp

参考答案和解析
正确答案：B
更多“If an electric cargo winch is being used to lift a draft of cargo and the engine room lose ”相关问题

  • 第1题：

    The sign used to caution persons approaching the gangway of a tank barge during cargo transfer reads ______．

    A.Warning，Keep Off，Stay Clear

    B.Danger，Do Not Board

    C.Warning，No Smoking，No Open Lights，No Visitors

    D.Dangerous Cargo Being Transferred


    正确答案：C

  • 第2题：

    ______ is not usually used in liquid cargo systems．

    A.Hydraulic drive systems

    B.Electric drive systems

    C.Steam drive systems

    D.Man-powered drive systems


    正确答案：D

  • 第3题：

    The jumbo boom can （）.

    • A、lift heavy cargo
    • B、load and unload
    • C、join ropes together
    • D、lift light cargo

    正确答案:A

  • 第4题：

    In liquid cargo ships, the（） is divided into tanks.

    • A、cargo space
    • B、hold
    • C、hatch
    • D、room

    正确答案:A

  • 第5题：

    A （）can give power to hoist or lower cargo.

    • A、cargo winch
    • B、lift winch
    • C、derrick
    • D、crane

    正确答案:A

  • 第6题：

    单选题
    The （）(重吊杆) can lift heavy cargo.
    A

    heavy cargo derrick

    B

    heavy deck

    C

    jumbo boom

    D

    heavy block


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    When loading or unloading baled cargo on board,the straps（）to lift or drag the bales.
    A

    are forbidden

    B

    are allowed

    C

    can be used

    D

    are usually used


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    A vessel is not in every way fitted for cargo service（）at the time of her delivery to the charterers her engine room staff is incompetent and inadequate，and accordingly she is unseaworthy.
    A

    whether

    B

    should

    C

    shall

    D

    if


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    （）is used for lifting cargo.
    A

    A mooring winch

    B

    A windlass

    C

    A deck crane

    D

    A lifeboat engine


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    The cargo is liable to burn.Please keep it（）the engine room.
    A

    out of

    B

    away from

    C

    from away

    D

    out from


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    Inflammable cargo（）in the holds adjacent to the engine room.
    A

    shall never be stowed

    B

    may be stowed

    C

    can be stowed

    D

    should be stowed


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for（）.
    A

    all the spaces of a vessel

    B

    all cargo spaces

    C

    the engine room and largest cargo space

    D

    the space requiring the largest amount


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Oceangoing dry bulk cargo vessels over 1000 GT must have approved combination-type fire nozzles at all ______．

    A.Fire stations aboard the vessel，except for those in open deck areas weatherdeck and cargo hold fire stations

    B.Interior fire stations

    C.Engine room fire stations

    D.All of the above


    正确答案：D

  • 第14题：

    Fixed CO2 systems would not be used on crew’s quarters or ______.

    A.the paint locker

    B.spaces open to the atmosphere

    C.cargo holds

    D.the engine room


    正确答案：B
    固定CO2灭火系统将不用于船员舱室和开放的空间。

  • 第15题：

    A （）can give power to hoist or lower the cargo.

    • A、crane
    • B、life winch
    • C、derrick
    • D、cargo winch

    正确答案:D

  • 第16题：

    General cargo is loaded by（）（克令吊）.

    • A、ships
    • B、derricks
    • C、cranes
    • D、winch

    正确答案:C

  • 第17题：

    单选题
    Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?（）
    A

    Start ventilation，lower the ramp，notify engine room

    B

    Lower the ramp，start ventilation，notify engine room

    C

    Notify engine room，lower the ramp，start ventilation

    D

    Start ventilation，notify engine room，lower the ramp


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE? （）
    A

    Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleaned

    B

    The hoses to portable cleaning machines should be disconnected before the machines are removed from the tank

    C

    The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residue

    D

    Steam cleaning and water washing are both capable of generating electrostatic charges within a tank


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    The reason for the obligation to load a full cargo（）that otherwise the Shipowner would lose freight on account of some part of the ship’s carrying capacity not being utilized.
    A

    is

    B

    makes

    C

    has

    D

    takes


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    A “stopper” is（）.
    A

    a short length of line used for temporarily holding another line

    B

    a snatch block for handling a topping lift

    C

    an engine order telegraph

    D

    the brake on a cargo winch


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    重吊杆用于吊大的重件。（）
    A

    Heavy derrick is used for lifting large heavy cargo.

    B

    Derrick is used for lifting large heavy cargo.

    C

    Heavy derrick is used for lifting dry bulk cargo.

    D

    Derrick is used for lifting dry bulk cargo.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    In a general cargo crane, （） is fitted to lift the cargo load.
    A

    the slewing motor

    B

    the luffing motor

    C

    the hoisting motor

    D

    none of the above


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    The sign used to caution persons approaching the gangway of a tank barge during cargo transfer reads（）.
    A

    Warning，Keep Off，Stay Clear

    B

    Danger，Do Not Board

    C

    Warning，No Smoking，No Open Lights，No Visitors

    D

    Dangerous Cargo Being Transferred


    正确答案： A
    解析： 暂无解析

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