Air Break Practice Test – Page 145 – Elegant Driving Academy

Air Break Practice Test

Results

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#1. In a trailer with a spring brake priority system, compressed air is supplied to which brakes FIRST?

The spring brakes are supplied first.

The spring brakes are supplied first.

The service brakes are supplied first.

The service brakes are supplied first.

It depends on the tractor.

It depends on the tractor.

It depends on the trailer.

It depends on the trailer.

Trailers with spring brake priority supply compressed air to the spring brakes (to release them) before the service tank has filled.