Air Break Practice Test

Results

#1. Before beginning the air-loss tests of the air braking system, make sure that the air pressure approximately equals

100 psi.

120 psi.

The cut-in pressure.

The cut-out pressure.

As described in the British Columbia Air Brake Manual, the first air brake test is a test of the governor’s operation. After the test is performed successfully, rebuild air pressure back to the maximum (at which point the governor should cut out). Then proceed with the air-loss tests. This question is based on the Pre-Trip Procedures sections in the BC Air Brake Manual.