Heavy Duty Equipment Technician Red Seal Exam Prep · Question
A construction aggregate sorting plant often requires rapid changes in flow and pressure to precisely control different conveyor speeds and feeder gates. Which type of hydraulic pump would be the most suitable choice for such an application, offering both efficiency and control?
Variable displacement piston pumps are ideal for applications demanding precise control over flow and pressure, as they can adjust their displacement (and thus
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Question: A construction aggregate sorting plant often requires rapid changes in flow and pressure to precisely control different conveyor speeds and feeder gates. Which type of hydraulic pump would be the most suitable choice for such an application, offering both efficiency and control?
Answer options: ✅ Variable displacement piston pump
- Fixed displacement gear pump
- Fixed displacement vane pump
- Gerotor pump
Correct answer: Variable displacement piston pump
Explanation: Variable displacement piston pumps are ideal for applications demanding precise control over flow and pressure, as they can adjust their displacement (and thus flow output) to meet system demands, leading to higher efficiency and reduced heat generation compared to fixed displacement pumps with throttling controls.
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