参考答案和解析
正确答案:C
更多“The safe working load for the assembled cargo gear and the minimum angle to the horizontal ”相关问题
  • 第1题:

    Cargo booms must be weight tested to recertify the Safe Working Load(SWL)every ______.

    A.Year

    B.Two years

    C.Four years

    D.Five years


    正确答案:D

  • 第2题:

    When a cargo boom or crane is rated at varying capacities,there will be a table at the controls which relates safe working load to ______.

    A.winch speed

    B.boom strength

    C.load radius

    D.cable strength


    正确答案:C

  • 第3题:

    ______is an angle at which a cargo settles in the hold of a ship,between the horizontal and the slope made by a bulk cargo such as grain or iron ore.

    A.Angle of loll

    B.Angle of inclination

    C.Angle of repose

    D.Angle of list


    正确答案:C
    静止角是在货物进入货舱时,水平面与倾斜面的夹角,散货船上比如散谷和铁矿石。

  • 第4题:

    “SWL” means ().

    • A、safe working load
    • B、safe work load
    • C、safe worked load
    • D、safely working load

    正确答案:A

  • 第5题:

    单选题
    The downflooding angle for a ship is the minimum angle at which().
    A

    the load line becomes submerged

    B

    a non-watertight opening is at still water level

    C

    offset becomes excessive

    D

    reserve buoyancy is a maximum


    正确答案: C
    解析: 暂无解析

  • 第6题:

    单选题
    In relation to cargo gear,what does SWL mean?().
    A

    Safe working load

    B

    Ship's working lift

    C

    Starboard wing lift

    D

    Stress,weight,load


    正确答案: C
    解析: 暂无解析

  • 第7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8题:

    单选题
    Electric cargo winches have an overload safety device which normally cuts the current to the winch motor().
    A

    after torque causes line pull to exceed the rated capacity of the winch

    B

    before the line pull reaches the rated capacity of the winch

    C

    when the line pull reaches the breaking strength of the fall

    D

    before the safe working load of the fall is reached


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    Blocks and falls used as lifeboat gear must be designed with a minimum safety factor of().
    A

    4,based on the breaking strength

    B

    5,based on the maximum allowable stress

    C

    6,based on the maximum working load

    D

    8,based on the normal working load


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    With a given load on the cargo hook,tension in a single span topping lift().
    A

    increases as the boom's angle to the horizontal increases

    B

    is at a maximum when the boom is at a 45° angle to the horizontal

    C

    increases as the boom's angle to the horizontal decreases

    D

    decreases as the boom's angle to the horizontal decreases


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the().
    A

    deck

    B

    head of the boom

    C

    heel of the boom

    D

    mast or king post


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    Cargo booms must be weight tested to recertify the Safe Working Load (SWL) every().
    A

    year

    B

    two years

    C

    four years

    D

    five years


    正确答案: C
    解析: 暂无解析

  • 第13题:

    If the cargo gear on your vessel is equipped with a regular guy and a preventer guy,you should ______.

    A.Let the schooner guy take most of the strain,thus transferring the load to the opposite boom

    B.Leave the preventer guy slack

    C.Secure them as close together as possible on deck

    D.Secure them so the angle between them is 90° at the boom head


    正确答案:C

  • 第14题:

    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


    正确答案:B

  • 第15题:

    In relation to cargo gear, what does SWL mean ?______.

    A.Safe working load

    B.Ship’s working lift

    C.Starboard wing lift

    D.Stress, weight, load


    正确答案:A
    关于货物设备,SWL是什么意思?安全工作负荷

  • 第16题:

    单选题
    If the moisture content of the cargo sample is()the Transportable Moisture Limit,then the cargo should be safe to load.
    A

    above

    B

    below

    C

    equal to

    D

    uncertain


    正确答案: A
    解析: 暂无解析

  • 第17题:

    单选题
    In relation to cargo gear,what does SWL mean?().
    A

    Safe working load

    B

    Ships working lift

    C

    Starboard wing lift

    D

    Stress , weight , load


    正确答案: B
    解析: 暂无解析

  • 第18题:

    单选题
    The safe working load of the derrick is ().
    A

    5 tons

    B

    5 metres

    C

    5 feet

    D

    5 years


    正确答案: D
    解析: 暂无解析

  • 第19题:

    单选题
    When a cargo boom or crane is rated at varying capacities,there will be a table at the controls which relates safe working load to().
    A

    winch speed

    B

    boom strength

    C

    load radius

    D

    cable strength


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    If the cargo gear on your vessel is equipped with a regular guy and a preventer guy,you should().
    A

    let the schooner guy take most of the strain,thus transferring the load to the opposite boom

    B

    leave the preventer guy slack

    C

    secure them as close together as possible on deck

    D

    secure them so the angle between them is 90°at the boom head


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    With a given load on the cargo hook,the thrust on a cargo boom().
    A

    increases as the angle to the horizontal increases

    B

    increases as the angle to the horizontal decreases

    C

    is greatest at an angle of 45° and decreases as the boom is raised or lowered

    D

    is least at an angle of 45° and increases as the boom is raised or lowered


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    According to regulations,a cargo hose used for transferring liquefied gases must have a bursting pressure of().
    A

    5 times the maximum working pressure on the hose during cargo transfer

    B

    one half the designed working pressure

    C

    4 times the pressure of the cargo pump used for transferring

    D

    5 times the minimum working pressure on the hose during cargo transfer


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    The safe working load of the ()is 100 tons.
    A

    single derrick

    B

    derrick

    C

    heavy derrick

    D

    deck


    正确答案: D
    解析: 暂无解析