Practice question
Which choice is safest and most consistent with FLHSMV/FMCSA rules for rear trailer height before dolly coupling?
- Low enough for landing gear to drag
- Level with the tractor bumper
- Slightly lower than the center of the fifth wheel
- Much higher than the fifth wheel
Answer: C — Slightly lower than the center of the fifth wheel
The correct answer is shown above. Try the full quiz for additional practice.
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