Free CDL Exam Air Brakes Endorsement Practice Test Questions

Question # 46

What is the function of the safety valve in an air brake system?

Options:

To release air if pressure becomes too high

To regulate compressor cut-in pressure

To apply emergency brakes automatically

To control trailer brake application

Viewing question 46 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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