Practice question

A driver is reviewing uncoupling. What should they remember?

Secure the trailer, lower landing gear, disconnect and stow lines, release the fifth wheel, and pull out slowly
Pull away before lowering landing gear
Leave air lines dragging on the ground
Use the hand valve as the only parking brake

Answer: A — Secure the trailer, lower landing gear, disconnect and stow lines, release the fifth wheel, and pull out slowly

The correct answer is shown above. Try the full quiz for additional practice.