Question 504 Deck General

70% to pass

The signal man assisting the crane operator uses one hand to give any motion signal and places the other hand motionless in front of the hand giving the motion signal. This is the signal to _______________.

A stop

B move slowly

C proceed with caution

D increase speed Anything else set score to 1. 505.

AI Explanation

The correct answer is A) stop. The signal of using one hand to give a motion signal while the other hand is held motionless in front of the motion signal hand is the standard signal to instruct the crane operator to stop the crane's movement. This hand signal is defined in the International Code of Signals and is a commonly recognized crane operation safety signal. The other answer choices are incorrect because they do not match the specific hand signal described in the question. Moving slowly, proceeding with caution, and increasing speed would have different hand signal configurations.

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