Free CDL Practice Test Questions | Commercial Driver's License

Question # 40

What should you do if the trailer does not lower onto the fifth wheel properly during coupling?

Options:

Force the tractor underneath by accelerating

Pull out, adjust trailer height, and reattempt coupling

Continue anyway and hope it locks

Grease the kingpin

Viewing question 40 out of 72 questions

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Name	Commercial Driver's License
Code	CDL
Vendor	Career
Certification	Federal Motor Carrier Safety Administration

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