Free CDL Exam Air Brakes Endorsement Practice Test Questions

Question # 13

If the trailer emergency (supply) line disconnects while moving, what is the immediate result?

Options:

The trailer service brakes engage gradually

The trailer emergency brakes apply automatically

The tractor brakes lock immediately

Nothing happens until the driver steps on the brake pedal

Viewing question 13 out of 72 questions

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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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