Heavy Duty Equipment Technician Red Seal Exam Prep · Question
What is the most common type of contaminant found in hydraulic fluid?
Solid particles, such as dirt, wear metals, and seal fragments, are the most prevalent contaminants and cause significant wear and damage to hydraulic component
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Question: What is the most common type of contaminant found in hydraulic fluid?
Answer options:
- Air
- Water ✅ Solid particles
- Heat
Correct answer: Solid particles
Explanation: Solid particles, such as dirt, wear metals, and seal fragments, are the most prevalent contaminants and cause significant wear and damage to hydraulic components.
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