Air Brake (Q Endorsement) Practice · Question
Compressed air for the brake system is supplied by the:
An engine-driven compressor supplies air, which is then stored in reservoirs after passing through the air dryer.
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Question: Compressed air for the brake system is supplied by the:
Answer options:
- Alternator ✅ Engine-driven air compressor
- Power steering pump
- Vacuum booster
Correct answer: Engine-driven air compressor
Explanation: An engine-driven compressor supplies air, which is then stored in reservoirs after passing through the air dryer.
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