Heavy Duty Equipment Technician Red Seal Exam Prep · Question
Which type of hydraulic pump provides a constant flow rate regardless of system pressure changes?
A fixed displacement pump delivers a constant volume of fluid per revolution. Its flow rate is directly proportional to its rotational speed, not system pressur
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Question: Which type of hydraulic pump provides a constant flow rate regardless of system pressure changes?
Answer options: ✅ Fixed displacement pump
- Variable displacement pump
- Gear pump with pressure compensator
- Piston pump with load sensing
Correct answer: Fixed displacement pump
Explanation: A fixed displacement pump delivers a constant volume of fluid per revolution. Its flow rate is directly proportional to its rotational speed, not system pressure.
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