How should you signal the crane operator to hoist ________．A.With forearm vertical and forefinger pointing up，move hand in small horizontal circlesB.With arm extended downwards and forefinger pointing down，move hand in small horizontal circlesC.Extend arm

题目

How should you signal the crane operator to hoist ________．

A.With forearm vertical and forefinger pointing up，move hand in small horizontal circles

B.With arm extended downwards and forefinger pointing down，move hand in small horizontal circles

C.Extend arm with fingers closed and thumb pointing upward

D.Place both fists in front of body with the thumbs pointing upward

相似考题

1.On a crane, the boom indicator tells the operator what angle the boom angle is compared to the ______.A.vertical positionB.horizontal positionC.boom stop angleD.minimum radius angle

2.How should you signal the crane operator to lower the boom and raise the load ________．A.Extend arm and point finger in the direction to move the boomB.Extend arm with thumb pointing downward and flex fingers in and outC.With forearm vertical and forefinger pointing up，move hand in small horizontal circlesD.With arm extended downwards and forefinger pointing down，move hand in small horizontal circles

3.How should you signal the crane operator to move slowly ________．A.Use one hand to give any motion signal，and place the other hand motionless in front of the hand giving the motion signaB.Extend arm with the thumb pointing up，and flex the fingers in and out for as long as the load movement is desiredC.First tap your elbow with one hand and then proceed to use regular signalsD.First tap the top of your head with your fist and then proceed to use regular signals

4.The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward．This is the signal to ______．A.raise the boomB.raise the hookC.raise the boom and hookD.check the boom stop

更多“How should you signal the crane operator to hoist ________.A.With forearm vertical and for ”相关问题

  • 第1题：

    The load chart of a ship crane enables the operator to combine the load radius with boom length to determine the ______．

    A.Maximum counter weight required

    B.Minimum horsepower required

    C.Hoist rope strength

    D.Allowable load


    正确答案：D

  • 第2题：

    How should you signal the crane operator to raise the boom?_________.

    A.Extend arm with the thumb pointing up and flex the fingers in and out

    B.Place both fists in front of the body with the thumbs pointing upward

    C.With forearm vertical and forefinger pointing up，move hand in small horizontal circles

    D.Extend arm with fingers closed and point thumb upward


    正确答案：D
    你应怎样指挥起货机手提升吊杆？伸开臂膀手指握紧拇指向上

  • 第3题：

    When you hoist national flag, you should hoist it in （）place.

    • A、outstanding
    • B、secret
    • C、A or B
    • D、A+B

    正确答案:A

  • 第4题：

    单选题
    How should you signal the crane operator to raise the boom?（）.
    A

    Extend arm with the thumb pointing up and flex the fingers in and out

    B

    Place both fists in front of the body with the thumbs pointing upward

    C

    With forearm vertical and forefinger pointing up,move hand in small horizond circles

    D

    Extend arm with the fingers closed and thumb upward


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to（）.
    A

    raise the boom

    B

    raise the hook

    C

    raise the boom and hook

    D

    check the boom stop


    正确答案： B
    解析： 暂无解析

  • 第6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7题：

    单选题
    How should you signal the crane operator to move slowly（）.
    A

    Use one hand to give any motion signal，and place the other hand motionless in front of the hand giving the motion signa

    B

    Extend arm with the thumb pointing up，and flex the fingers in and out for as long as the load movement is desired

    C

    First tap your elbow with one hand and then proceed to use regular signals

    D

    First tap the top of your head with your fist and then proceed to use regular signals


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    How should you signal the crane operator to lower the boom and raise the load（）.
    A

    Extend arm and point finger in the direction to move the boom

    B

    Extend arm with thumb pointing downward and flex fingers in and out

    C

    With forearm vertical and forefinger pointing up，move hand in small horizontal circles

    D

    With arm extended downwards and forefinger pointing down，move hand in small horizontal circles


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    How should you signal the crane operator to stop?（）.
    A

    Place both fists in front of the body with the thumbs pointing outward

    B

    With both arms extended out and palms to down, move arms back and forth

    C

    Extend arm with the palm down and and hold this position rigidly

    D

    Clasp hands in front of you body


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    How should you signal the crane operator to use the main hoist?（）.
    A

    Use one hand to give any miotion signal , and place the other hand motionless in front of the hand giving the motion signal

    B

    Extend arm with the thumb pointing up , and flex the fingers in and out for as long as the load movement is desired

    C

    First tap your elbow with one hand , and then proceed to use regular signals

    D

    First tap the top of your head with your first , and then proceed to use regular signals


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    How should you signal the crane operator to lower the boom and raise the load?（）.
    A

    Extend arm and point finger in the direction to move the boom

    B

    Extend arm with the thumb pointing downward and flex fingers in and out

    C

    With f rearm vertical and forefinger pointing up,move hand in small horizond circles

    D

    With arm extended downwards and forefinger pointing down,move hand in small horizontal circles


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    How should you signal the crane operator to raise the boom and lower the load?（）.
    A

    Extend arm with the palm down and and hold this position rigidly

    B

    Place both fists in front of the body with the thumbs pointing outward each other

    C

    Clasp hands in front of you body

    D

    Extend arm with the thumb pointing up, and flex the finger s in and out for as long as the load movement is desired


    正确答案： A
    解析： 暂无解析

  • 第13题：

    How should you signal the crane operator to lower the boom?______.

    A.With arm extended and fingers closed, point thumb downward

    B.With arm extended downwards and forefinger pointing down, move hand in small horizontal circles

    C.Extend arm with the palm down, and hold this position rigidly

    D.With hands clasped in front of your body


    正确答案：A
    你应怎样指挥起货机手落放吊杆?伸开臂膀握紧拳头拇指向下

  • 第14题：

    How should you signal the crane operator to stop?______.

    A.Place both fists in front of your body with thumbs pointing pointing outward

    B.With both arms extended out and palms down, move arms back and forth

    C.Extend arm with the palm down and hold this position rigidly

    D.Clasp hands in front of your body


    正确答案：C
    你应怎样指挥起货机手停止？展开臂膀手掌向下并坚挺的地保持这个位置

  • 第15题：

    单选题
    How should you signal the crane operator to hoist?（）.
    A

    With foremarm vertical and forefinfer pointing up ,move hand in small horizonal circles

    B

    With arm ertended downwards and forefinger pointing down,move hand in small horizontal crecles

    C

    Extend arm with fingers closed and thumb pointing upward

    D

    Place both fists in front of the body with the thumbs pointing outward


    正确答案： B
    解析： 暂无解析

  • 第16题：

    单选题
    When you hoist national flag, you should hoist it（）.
    A

    quickly

    B

    rapidly

    C

    slowly

    D

    speedily


    正确答案： D
    解析： 暂无解析

  • 第17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18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19题：

    单选题
    How should you signal the crane operator to swing?（）.
    A

    With both arms extended out and palms to down, move arms back and forth

    B

    With arm ertended downwards and forefinger pointing down,move hand in small horizontal crecles

    C

    Extend arm and point finger in the direction to move boom

    D

    Place both fists in front of the body with the thumbs pointing outward


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    How should you signal the crane operator to stop in an emergency?（）
    A

    Extend arm with the palm down and hold this position rigidly

    B

    Place clasped hands in front of your body

    C

    Extend arm and move hand rapidly right and left with the palm down

    D

    Place both fists in front of the body with the thumbs pointing outward


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    How should you signal the crane operator to hoist（）.
    A

    With forearm vertical and forefinger pointing up，move hand in small horizontal circles

    B

    With arm extended downwards and forefinger pointing down，move hand in small horizontal circles

    C

    Extend arm with fingers closed and thumb pointing upward

    D

    Place both fists in front of body with the thumbs pointing upward


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    How should you signal the crane operator to dog everthing?（）.
    A

    Place both fists in front of the body with the thumbs pointing outward each other

    B

    Clasp hands in front of your body

    C

    Extend arm with the palm down and and hold this position rigidly

    D

    Extend arm with the thumb pointing up, and flex the finger s in and out


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    When you hoist national flag, you should hoist it in （）place.
    A

    outstanding

    B

    secret

    C

    A or B

    D

    A+B


    正确答案： A
    解析： 暂无解析

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