Washington CDL Practice Test

What is the correct height of the trailer before backing under with the tractor?

The trailer apron should be slightly above the fifth wheel so the tractor lifts the trailer as it backs under The trailer apron should be slightly lower than the fifth wheel The trailer should be raised so the tractor can pass freely underneath The trailer should be on the ground

Correct Answer:

The trailer apron should be slightly above the fifth wheel so the tractor lifts the trailer as it backs under

Access more questions from this quiz

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

Access More Questions