Free CDL Exam Air Brakes Endorsement Practice Test Questions

Question # 1

During pre-trip inspection, how do you test trailer emergency brakes?

Options:

Pull the trailer supply valve and gently tug forward

Release parking brakes and pump brakes rapidly

Apply service brakes and accelerate

Disconnect the service line

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CDL Exam Air Brakes Endorsement Overview

Name	Air Brakes Knowledge Test
Code	CDL Exam Air Brakes Endorsement
Vendor	Career
Certification	Federal Motor Carrier Safety Administration

CDL Exam Air Brakes Endorsement Questions

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