Crane Operator Certification Exam Prep · Question
What is the primary function of a Rated Capacity Indicator (RCI) or Load Moment Indicator (LMI) on a crane?
RCI/LMI systems continuously monitor and display vital lift data (load weight, radius, boom angle, etc.) and warn the operator when approaching or exceeding the
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Question: What is the primary function of a Rated Capacity Indicator (RCI) or Load Moment Indicator (LMI) on a crane?
Answer options:
- To prevent the crane from swinging too fast ✅ To provide the operator with real-time feedback on lift parameters and warn of overload conditions
- To automatically stop the crane if it tips
- To measure the ground pressure exerted by the outriggers
Correct answer: To provide the operator with real-time feedback on lift parameters and warn of overload conditions
Explanation: RCI/LMI systems continuously monitor and display vital lift data (load weight, radius, boom angle, etc.) and warn the operator when approaching or exceeding the crane's safe lifting limits.
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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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