Practice question
Which statement about coupling and uncoupling is correct?
- If a trailer starts moving during uncoupling, stop and secure it with brakes and chocks.
- 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.
- This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
Answer: A — If a trailer starts moving during uncoupling, stop and secure it with brakes and chocks.
The correct answer is shown above. Try the full quiz for additional practice.
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