Washington CDL Practice Test

Before pulling the tractor out from under a trailer during uncoupling, you must:

Honk the horn three times Disconnect only the blue glad-hand Lower the landing gear and verify it supports the trailer weight Raise the fifth wheel to its highest position

Correct Answer:

Lower the landing gear and verify it supports the trailer weight

Access more questions from this quiz

Continue to Washington CDL Practice Test for more practice questions and the full quiz experience.

Access More Questions