Crane Operator Certification Exam Prep · Question
What is the primary function of limit switches on a crane?
Limit switches are safety devices that automatically stop crane movements like hoisting, lowering, telescoping, or luffing at pre-set extreme positions to preve
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Question: What is the primary function of limit switches on a crane?
Answer options:
- To limit the crane's travel speed ✅ To prevent the hoist from over-hoisting or over-lowering, and the boom from over-extending or over-luffing
- To restrict the operator's access to certain controls
- To stop the crane if it exceeds its swing range
Correct answer: To prevent the hoist from over-hoisting or over-lowering, and the boom from over-extending or over-luffing
Explanation: Limit switches are safety devices that automatically stop crane movements like hoisting, lowering, telescoping, or luffing at pre-set extreme positions to prevent damage or accidents.
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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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