When the derrick is lowered, the guys must be （）.A、slacked offB、taken inC、send awayD、send out

题目

When the derrick is lowered, the guys must be （）.

  • A、slacked off
  • B、taken in
  • C、send away
  • D、send out
相似考题

1.The boom stops on a pedestal crane prevent the boom from ______.A.being raised too highB.swinging at seaC.overloading when not in useD.being lowered too low

2.The connected joints of pipe，usually made of three joints of pipe approximately 90 feet long，racked in the derrick when making a trip are called a ______．A.StringB.StandC.JointD.Standpipe

3.Frapping lines are fitted to lifeboat davits to ______.A.secure the lifeboat in the davits when in the stowed positionB.bring the life boat close along the rail in the embarkation positionC.give the occupants a safety line when the boat is being lowered from the embarkation levelD.reduce the swinging of the lifeboat at the embarkation level

4.Frapping lines ______．A.secure the lifeboat in the davits when in the stowed positionB.bring the lifeboat close alongside the rail in the embarkation positionC.give the occupants a safety line when the boat is being lowered from the embarkation levelD.reduce the swinging of the lifeboat at the embarkation level

更多“When the derrick is lowered, the”相关问题

  • 第1题：

    When the derrick is lowered, the guys must be （）.

    • A、slacked off
    • B、taken in
    • C、send away
    • D、send out

    正确答案:B

  • 第2题：

    The （）(吊杆托架) supports the derrick.

    • A、derrick boom rest
    • B、derrick head
    • C、derrick mast
    • D、derrick guy

    正确答案:A

  • 第3题：

    Could you show me （）to operate the derrick?

    • A、which
    • B、what
    • C、how
    • D、when

    正确答案:C

  • 第4题：

    日落降国旗。（）

    • A、The ensign should be hoisted when the sun rises.
    • B、The ensign should be lowered when the sun rises.
    • C、The ensign should be hoisted when the sun sets.
    • D、The ensign should be lowered when the sun sets.

    正确答案:D

  • 第5题：

    单选题
    在船上应当日出时升起国旗。（）
    A

    On board national flags should be hoisted when the sun sets.

    B

    On board national flags should be hoisted when the sun rises.

    C

    On board national flags should be lowered when the ship is in port.

    D

    On board national flags should be hoisted flag when loading and discharging


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    When the derrick is topped, the guy must be （）(放松).
    A

    slacked off

    B

    sent away

    C

    sent out

    D

    taken in


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    The boom stops on a pedestal crane prevent the boom from（）.
    A

    being raised too high

    B

    swinging at sea

    C

    overloading when not in use

    D

    being lowered too low


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    When the derrick is stopped, the guy must be（）.
    A

    take in

    B

    slacked off

    C

    stowed

    D

    taken


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    The boom stops are installed on an offshore crane to（）.
    A

    prevent the boom from being raised too high

    B

    prevent the boom from swinging

    C

    support the boom when not in use

    D

    prevent the boom from being lowered


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    Frapping lines（）.
    A

    secure the lifeboat in the davits when in the stowed position

    B

    bring the lifeboat close alongside the rail in the embarkation position

    C

    give the occupants a safety line when the boat is being lowered from the embarkation level

    D

    reduce the swinging of the lifeboat at the embarkation level


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    When preparing an engine for water temperature（）
    A

    should be kept at a proper level by a cooler

    B

    should be raised to about 80℃ by a heater

    C

    should be raised gradually

    D

    should be lowered to about 60℃


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Be careful when you （）the derrick.
    A

    operated

    B

    operate

    C

    operating

    D

    operator


    正确答案： A
    解析： 暂无解析

  • 第13题：

    During the voyage, the derrick should be stowed （）.

    • A、fore
    • B、aft
    • C、fore and aft
    • D、lowered

    正确答案:C

  • 第14题：

    在船上应当日出时升起国旗。（）

    • A、On board national flags should be hoisted when the sun sets.
    • B、On board national flags should be hoisted when the sun rises.
    • C、On board national flags should be lowered when the ship is in port.
    • D、On board national flags should be hoisted flag when loading and discharging

    正确答案:B

  • 第15题：

    吊杆停用时，稳索必须要收起来。（）

    • A、When the derrick is stopped, the guy must be stowed.
    • B、When the derrick is stopped, the guy must be topped.
    • C、When the derrick is stopped, the guy must be lowered.
    • D、When the guy is stopped, the derrick must be stowed.

    正确答案:A

  • 第16题：

    单选题
    When launching a lifeboat，the tricing pennants should be released（）.
    A

    before the boat is lowered from the stowed position

    B

    as the boat-fall blocks break clear of the davit head

    C

    before the boat is lowered from the embarkation level

    D

    after the boat is released into the water


    正确答案： A
    解析： 暂无解析

  • 第17题：

    单选题
    The connected joints of pipe，usually made of three joints of pipe approximately 90 feet long，racked in the derrick when making a trip are called a（）.
    A

    string

    B

    stand

    C

    joint

    D

    standpipe


    正确答案： D
    解析： 暂无解析

  • 第18题：

    单选题
    When the union purchase derrick is operated, one derrick is positioned over the quayside and the other almost vertically over the （）.
    A

    dock

    B

    hold

    C

    pedestal

    D

    machinery space


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    When the derrick changes its （）(角度), its lifting capacity changes correspondingly.
    A

    angel

    B

    length

    C

    height

    D

    angle


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    When the derrick is stopped, the guy must be （）(收好).
    A

    taken in

    B

    slacked off

    C

    adjusted

    D

    stowed


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    Frapping lines are fitted to lifeboat davits to（）.
    A

    secure the lifeboat in the davits when in the stowed position

    B

    bring the lifeboat close along the rail in the embarkation position

    C

    give the occupants a safety line when the boat is being lowered from the embarkation level

    D

    reduce the swinging of the lifeboat at the embarkation level


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    日落降国旗。（）
    A

    The ensign should be hoisted when the sun rises.

    B

    The ensign should be lowered when the sun rises.

    C

    The ensign should be hoisted when the sun sets.

    D

    The ensign should be lowered when the sun sets.


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    When launching a lifeboat in the rough sea, the davit gears should be released（）.
    A

    before the boat is lowered from the stowed position

    B

    as the boat fall blocks break clear of the davit head

    C

    before the boat is lowered from the embarkation level

    D

    after the boat is released into the water


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    吊杆停用时，稳索必须要收起来。（）
    A

    When the derrick is stopped, the guy must be stowed.

    B

    When the derrick is stopped, the guy must be topped.

    C

    When the derrick is stopped, the guy must be lowered.

    D

    When the guy is stopped, the derrick must be stowed.


    正确答案： A
    解析： 暂无解析

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