Air Brake Practice Questions 2 – Page 23 – AZ Test Guide

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#1. The normal operating pressure range for air brake systems is:

414 to 828 kPa (60 to 120 psi)

0 to 1035 kPa (0 to 150 psi)

828 to 932 kPa (120 to 135 psi)

552 to 932 kPa (80 to 135 psi)