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Due to flooding, the Everett Driver Licensing Services Office is closed. We'll update this message when we have a reopening date. In the meantime, customers are encouraged to access our online services or visit these nearby offices: Smokey Point, Lynnwood, and Shoreline.

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.


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B CORRECT

It will be raised slightly when the tractor is backed under it.

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C INCORRECT

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

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