Crane Operator Certification Exam Prep · Question
During a blind lift with voice communication, the signal person states, 'Boom down... easy... just a bit more... stop!' after which there is a pause. What is the operator's correct response?
When the signal person gives a 'stop' command, especially after precise movements, the operator's correct and safest response is to immediately cease all moveme
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Question: During a blind lift with voice communication, the signal person states, 'Boom down... easy... just a bit more... stop!' after which there is a pause. What is the operator's correct response?
Answer options:
- Immediately hoist up a small distance to ensure clearance. ✅ Maintain the boom position and await the next instruction.
- Swing the boom slowly to check for obstructions.
- Lower the load slightly to ensure it is clear of the boom tip.
Correct answer: Maintain the boom position and await the next instruction.
Explanation: When the signal person gives a 'stop' command, especially after precise movements, the operator's correct and safest response is to immediately cease all movement and maintain the current boom and load position. Awaiting the next clear instruction is crucial in blind lift situations to prevent unintended movements or hazards. Hoisting up, swinging, or lowering without instruction would be unsafe.
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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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