Air Break Practice Test – Page 167 – Elegant Driving Academy

Air Break Practice Test

Results

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#1. The spring brakes will start to apply when the air pressure falls below

50 psi.

50 psi.

55 psi.

55 psi.

60 psi.

60 psi.

66 psi.

66 psi.

If air pressure falls below 414 kPa (60 psi), the spring brakes will begin to apply automatically.