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

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• If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm，you should（）.

  A . start the fire pump B . go to your man overboard station C . go to your lifeboat station D . stand by for collisio

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• 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

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• 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

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• 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 circle

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• 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

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• If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm,you should（）.

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• 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

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• 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

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• How should you signal the crane operator to dog everyting？______.

  A.Place both fists in front of your body with thumbs pointing toward each other B.Clasp hands in front of your body C.Extend arm with the palm down and hold this position rigidly D.Extend arm with the thumb pointing up, and flex the fingers in and out

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