Free CDL Exam Air Brakes Endorsement Practice Test Questions

Question # 2

How should a driver check the air pressure build-up rate?

Options:

Watch the gauge rise from 85 to 100 PSI in 45 seconds

Observe spring brake pop-out at 20–45 PSI

Release parking brakes and tug forward

Drain all tanks completely

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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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