Crane Operator Certification Exam Prep · Question
When signaling a crane operator to 'raise the boom and lower the load,' what specific hand signals would be used?
The correct signal for 'Raise Boom' is an arm extended with thumb up. The signal for 'Lower' (load) is arm extended, palm down, waving up and down.
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Question: When signaling a crane operator to 'raise the boom and lower the load,' what specific hand signals would be used?
Answer options:
- Arm extended, thumb up (Raise Boom) and Open palm, thumb down (Lower Load) ✅ Arm extended, thumb up (Raise Boom) and Arm extended, palm down, waving up and down (Lower)
- Arm extended, thumb up (Raise Boom) and Arm extended, thumb down (Lower Boom)
- Forefinger pointing up (Raise) and Forefinger pointing down (Lower)
Correct answer: Arm extended, thumb up (Raise Boom) and Arm extended, palm down, waving up and down (Lower)
Explanation: The correct signal for 'Raise Boom' is an arm extended with thumb up. The signal for 'Lower' (load) is arm extended, palm down, waving up and down.
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Question explanations
- According to most Canadian provincial regulations, who is ultimately responsible for the safe operation of a c
- A crane's rated capacity decreases as the load radius:
- What is the minimum number of full wraps of wire rope that must remain on a hoist drum when the hook is in its
- Before setting up a mobile crane, what is the most important factor to assess regarding ground conditions?
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