header bg
8 arrow_forward 0 done arrow_forward 0 done_all

Before driving a vehicle with a dual air brake system, you must wait for the air compressor to build a minimum of ____ in both the primary and secondary systems

A 100 psi
Explaination
Before driving a vehicle with a dual air brake system, you should wait for the air compressor to build up at least 100 psi in both the primary and secondary systems.
B 25 psi
C 50 psi
D 75 psi