Ontario Air Brake Practice · Question
What is the acceptable recovery time for the air compressor to build air pressure from 586 kPa (85 psi) to 689 kPa (100 psi) in a large commercial vehicle with an air brake system?
The air compressor recovery rate a commercial vehicle's air brake system should build air pressure from 586 kPa (85 psi) to 689 kPa (100 psi) within 2 minutes.
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Question: What is the acceptable recovery time for the air compressor to build air pressure from 586 kPa (85 psi) to 689 kPa (100 psi) in a large commercial vehicle with an air brake system?
Answer options: ✅ Within 2 minutes.
- Within 3 minutes.
- Within 4 minutes.
- Within 5 minutes.
Correct answer: Within 2 minutes.
Explanation: The air compressor recovery rate a commercial vehicle's air brake system should build air pressure from 586 kPa (85 psi) to 689 kPa (100 psi) within 2 minutes. This test ensures the compressor is functioning efficiently enough to maintain adequate braking pressure.
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