Crane Operator Certification Exam Prep · Question
A crane's load chart shows different capacities for 'Over Front', 'Over Rear', and 'Over Side' operation. For a lift directly over the main frame's right front outrigger, which quadrant of operation usually offers the highest capacity?
Many load charts for rough terrain and all-terrain cranes indicate that 'Over Side' (or 'Over Outrigger') typically offers the highest capacities when the boom
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Question: A crane's load chart shows different capacities for 'Over Front', 'Over Rear', and 'Over Side' operation. For a lift directly over the main frame's right front outrigger, which quadrant of operation usually offers the highest capacity?
Answer options: ✅ Over Side
- Over Front
- Over Rear
- Rear Quarter
Correct answer: Over Side
Explanation: Many load charts for rough terrain and all-terrain cranes indicate that 'Over Side' (or 'Over Outrigger') typically offers the highest capacities when the boom is directly aligned with an outrigger, especially over the front or rear outriggers in some models, due to the machine's enhanced stability in that specific orientation when on outriggers. However, the 'Over Front' quadrant may offer similar or higher capacities due to counterweight.
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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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