Heavy Duty Equipment Technician Red Seal Exam Prep · Question
What is the primary purpose of a regenerative circuit in a double-acting hydraulic cylinder?
A regenerative circuit connects the rod-end port to the cap-end port during extension, combining the pump's flow with the fluid returning from the rod end, effe
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Question: What is the primary purpose of a regenerative circuit in a double-acting hydraulic cylinder?
Answer options:
- To allow the cylinder to lock in any position
- To increase the retraction speed of the cylinder
- To provide differential force during extension ✅ To increase the extension speed by routing return oil to the rod side
Correct answer: To increase the extension speed by routing return oil to the rod side
Explanation: A regenerative circuit connects the rod-end port to the cap-end port during extension, combining the pump's flow with the fluid returning from the rod end, effectively increasing the fluid volume and thus the extension speed, albeit with reduced force.
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