Practice question
Which statement about air and electric lines is correct?
- This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
- Damaged air or electrical lines can disable brakes or lights.
- This statement confuses the tested combination-vehicle rule with an unrelated CDL topic.
- This answer would create an unsafe coupling, braking, turning, or inspection habit.
Answer: B — Damaged air or electrical lines can disable brakes or lights.
The correct answer is shown above. Try the full quiz for additional practice.
Practice more: TX CDL Combination Practice Questions - Texas CDL Combination Vehicles Test Exam →