Heavy Duty Equipment Technician Red Seal Exam Prep · Question
What is the function of a 'check valve' in a hydraulic circuit?
A check valve permits hydraulic fluid flow in only one direction and blocks flow in the opposite direction. This is essential for controlling fluid paths and ma
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Question: What is the function of a 'check valve' in a hydraulic circuit?
Answer options: ✅ To allow fluid flow in one direction only
- To regulate the maximum pressure in the system
- To filter contaminants from the hydraulic fluid
- To cool the hydraulic oil
Correct answer: To allow fluid flow in one direction only
Explanation: A check valve permits hydraulic fluid flow in only one direction and blocks flow in the opposite direction. This is essential for controlling fluid paths and maintaining pressure in certain parts of the circuit.
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