ASE H4 Brakes (Transit Bus) Practice Questions - ASE H4 - Brakes (Transit Bus) Certification Exam

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Technician A says the air dryer removes moisture and oil before air enters the supply reservoir. Technician B says the air dryer's purge cycle is triggered when the governor unloads the compressor. Who is correct?

Technician A only Technician B only Neither A nor B Both A and B

Correct Answer:

Both A and B

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