Free CDL Practice Test Questions | Commercial Driver's License

Question # 51

If the trailer brakes do not release after coupling, what should you check first?

Options:

The trailer load weight

The tractor’s steering linkage

The trailer air supply valve

The suspension system

Viewing question 51 out of 72 questions

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CDL Overview

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

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