Free CDL Exam Air Brakes Endorsement Practice Test Questions

Question # 24

At what PSI do spring brakes usually begin to apply automatically?

Options:

20–45 PSI

55–60 PSI

75–80 PSI

100–125 PSI

Viewing question 24 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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