Challenge Your Exam Readiness With Our Free CDL Exam Air Brakes Endorsement Practice Questions

Question # 50

If the trailer service line fails while driving, how can the driver stop the trailer?

Options:

A.

Using the service brake pedal only

B.

By pulling the trailer supply valve to activate spring brakes

C.

By accelerating until brakes re-engage

D.

By relying on tractor brakes only

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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