Practice question

The fifth-wheel coupling sequence after backing under the trailer requires:

Driving forward immediately
Locking jaws around the kingpin, performing a tug test in low gear against the locked trailer brakes, then visually inspecting the jaws and connecting glad-hands and electrical cord
Lifting the trailer with the landing gear
Skipping the tug test if the latch sounds right

Answer: B — Locking jaws around the kingpin, performing a tug test in low gear against the locked trailer brakes, then visually inspecting the jaws and connecting glad-hands and electrical cord

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