Heavy Duty Equipment Technician Red Seal Exam Prep · Question
Engine coolant should be:
Wrong coolant causes corrosion/cavitation.
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Question: Engine coolant should be:
Answer options: ✅ Mixed per OEM (typically 50/50 ELC)
- Pure water
- Diesel
- Used oil
Correct answer: Mixed per OEM (typically 50/50 ELC)
Explanation: Wrong coolant causes corrosion/cavitation.
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- What is the primary purpose of a 'lock-up clutch' in a modern heavy-duty torque converter?
- A technician is performing a visual inspection of a heavy-duty truck's air brake system. Which of the followin
- During a pre-trip inspection of an air-braked commercial vehicle, the operator observes a sudden drop in air p
- A technician is preparing to lift a heavy engine component using a shop crane. The component's manufacturer sp
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