Practice question
On the Colorado CDL General Knowledge test, when checking air brake lines during a pre-trip inspection, the driver should look for:
- Lines that are properly color-coded only
- Cuts, cracks, abrasion damage, and that lines are properly secured and not in contact with hot surfaces
- Only whether the lines are connected at both ends
- Whether the lines are made of rubber or metal
Answer: B — Cuts, cracks, abrasion damage, and that lines are properly secured and not in contact with hot surfaces
The correct answer is shown above. Try the full quiz for additional practice.
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