Ontario Air Brake Z Test Practice Questions - Ontario Air Brake (Z Endorsement) Knowledge Test Exam

During the applied air-loss test, what pressure change is not counted in the one-minute loss?

The initial noticeable drop when brakes are first applied All pressure loss after 30 seconds Any loss in the secondary tank Every drop if the vehicle has ABS

Correct Answer:

The initial noticeable drop when brakes are first applied

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