Practice CDL knowledge test: Question 8 of 20

You're coupling a semi-trailer to your tractor but haven't yet backed under. The trailer is at the right height when:

A	The end of the kingpin is even with the top of the fifth wheel.
B	It will be raised slightly when the tractor is backed under it.
C	The kingpin is about 1¼ inches above the fifth wheel.

A	INCORRECT The correct answer is: It will be raised slightly when the tractor is backed under it. Next question

B	CORRECT It will be raised slightly when the tractor is backed under it. Next question

C	INCORRECT The correct answer is: It will be raised slightly when the tractor is backed under it. Next question