Elevator Mechanic Practice Exam

Question: 1 / 400

What is the hand signal for "Boom up" in crane operation?

Arm out

Finger down counter clockwise

Thumbs in

Thumb up

The hand signal for "Boom up" in crane operation is represented by extending the arm horizontally, which is why the choice indicating "Arm out" is correct. This clear and straightforward signal communicates to the operator the action of raising the boom, ensuring that everyone involved in the operation is aware and can respond accordingly. Proper hand signaling is crucial in maintaining safety and coordination on the job site, as it minimizes the potential for misunderstandings during operations.

The other choices do not accurately represent the signal for "Boom up." Each hand signal in crane operation has a specific meaning, and using the correct signal is vital for effective communication between operators and ground personnel.

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