Free CDL Practice Test Questions | Commercial Driver's License

Question # 41

How should you test trailer brakes before driving a set of doubles?

Options:

Use the hand valve to apply brakes and check for response

Drive 10 miles before checking

Pull the air lines to test pressure

Release tractor brakes only

Viewing question 41 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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