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Which statement is FALSE regarding the operation of a crane ________.A.The crane jib is raised and lowered by the luffing winchB.The cargo block is raised and lowered by the hoisting winchC.The cargo block is raised and lowered by the luffing winchD.None

题目

Which statement is FALSE regarding the operation of a crane ________.

A.The crane jib is raised and lowered by the luffing winch

B.The cargo block is raised and lowered by the hoisting winch

C.The cargo block is raised and lowered by the luffing winch

D.None of the above


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更多“Which statement is FALSE regarding the operation of a crane ________.A.The crane jib is ra ”相关问题
  • 第1题:

    Which action(s)are included in crane operations ________.

    A.Pre-operation of the anchor windlass

    B.Preparing steam on deck

    C.Luff,slew,and hoist operations

    D.All of the above


    正确答案:C

  • 第2题:

    Which of the following statement(s)is/are TRUE regarding a twin pedestal crane set ________.

    A.The cranes may be operated independently

    B.The cranes may be interconnected for twin operation

    C.When twinned,the crane rotation on the foundation assembly is unlimited

    D.All of the above


    正确答案:D

  • 第3题:

    Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane ________.

    A.Taglines are wire rope purchases that raise and lower the jib

    B.Taglines are wire ropes for horizontal positioning of the rider block

    C.Taglines can be fastened to corners of vehicles or containers

    D.The crane might not have taglines installed in its rigging system


    正确答案:A

  • 第4题:

    Which statement comparing a shipboard crane to conventional gear is TRUE ________.

    A.Cranes are more difficult to secure for sea

    B.The spotting area of the conventional gear is larger

    C.A crane operator requires more training than the winch operator of a yard and stay rig

    D.The yard and stay rig is more flexible in its ability to handle a wider variety of cargoes


    正确答案:D

  • 第5题:

    During which condition should the operator of a pedestal crane shutdown operations ________.

    A.Bunkering barge alongside

    B.Potable water spill on deck

    C.Crane hydraulic hose bursts

    D.Trim greater than 4 feet


    正确答案:C

  • 第6题:

    单选题
    Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane().
    A

    Taglines are wire rope purchases that raise and lower the jib

    B

    Taglines are wire ropes for horizontal positioning of the rider block

    C

    Taglines can be fastened to corners of vehicles or containers

    D

    The crane might not have taglines installed in its rigging system


    正确答案: D
    解析: 暂无解析

  • 第7题:

    单选题
    On no account()to be exceeded.
    A

    is the SWL of the crane

    B

    are the SWL of the crane

    C

    the SWL of the crane is

    D

    the SWL of the crane are


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    During which condition should the operator of a pedestal crane shutdown operations?()
    A

    Lightning

    B

    High winds

    C

    Fire aboard

    D

    All of the above


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ().
    A

    The cranes may be operated independently

    B

    The cranes may be interconnected for twin operation

    C

    The cranes are powered by independent internal combustion power units

    D

    All of the above


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    Which statement(s) is/are TRUE concerning crane cargo operations? ()
    A

    Do not exceed rated load capacity of crane and container spreader or slings

    B

    During any cargo handling operation,the safety of personnel is paramount

    C

    Cargo handlers must be outfitted with adequate protection from personal injury

    D

    All the above


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels().
    A

    A centerline crane can never be operated in tandem

    B

    One crane is able to work one end of two adjacent hatches

    C

    These cranes are more economical and weigh less than outboard-mounted cranes

    D

    One crane is able to work both sides of the ship


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    In a general cargo crane, () is fitted to raise or lower the jib.
    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13题:

    Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ________.

    A.The cranes may be operated independently

    B.The cranes may be interconnected for twin operation

    C.The cranes are powered by independent internal combustion power units

    D.All of the above


    正确答案:C

  • 第14题:

    Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels ________.

    A.A centerline crane can never be operated in tandem

    B.One crane is able to work one end of two adjacent hatches

    C.These cranes are more economical and weigh less than outboard-mounted cranes

    D.One crane is able to work both sides of the ship


    正确答案:A

  • 第15题:

    Which wire rope purchases may be used with a 30-ton pedestal crane ________.

    A.Hoist

    B.Luff

    C.Rider block

    D.All of the above


    正确答案:D

  • 第16题:

    Which of the following statements is TRUE regarding crane operations ________.

    A.Radio communications allow the crane operator to disregard the use of hand signals

    B.The crane operators and signalman must be familiar with the correct hand signals

    C.The forward cranes can be operated from the bridge

    D.The aft cranes can be operated from the aft steering station


    正确答案:B

  • 第17题:

    单选题
    Which statement comparing a shipboard crane to conventional gear is TRUE().
    A

    Cranes are more difficult to secure for sea

    B

    The spotting area of the conventional gear is larger

    C

    A crane operator requires more training than the winch operator of a yard and stay rig

    D

    The yard and stay rig is more flexible in its ability to handle a wider variety of cargoes


    正确答案: D
    解析: 暂无解析

  • 第18题:

    单选题
    Which of the following statement(s)is/are TRUE regarding a twin pedestal crane set().
    A

    The cranes may be operated independently

    B

    The cranes may be interconnected for twin operation

    C

    When twinned,the crane rotation on the foundation assembly is unlimited

    D

    All of the above


    正确答案: A
    解析: 暂无解析

  • 第19题:

    单选题
    Which of the following statements is TRUE regarding crane operations().
    A

    Radio communications allow the crane operator to disregard the use of hand signals

    B

    The crane operators and signalman must be familiar with the correct hand signals

    C

    The forward cranes can be operated from the bridge

    D

    The aft cranes can be operated from the aft steering station


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    During which condition should the operator of a pedestal crane shutdown operations?()
    A

    Bunkering

    B

    High winds

    C

    Potable water spill on deck


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    Which action(s) should the operator of a pedestal crane take if crane control is lost?()
    A

    Let go of both control levers and return to neutral position

    B

    Press the emergency stop

    C

    Notify the mate on watch

    D

    All of the above


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    The crane jib is raised and lowered by means of ()
    A

    a mooring winch

    B

    a hoisting winch

    C

    a slewing winch

    D

    a luffing winch


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    In a ordinary cargo crane, () is fitted to rotate the crane.
    A

    the slewing motor

    B

    the lulling motor

    C

    the hoisting motor

    D

    none of the above


    正确答案: A
    解析: 暂无解析