Practice question
In Alberta's trip air brake inspection Step 5, what must you do before starting the applied leak test?
- Disconnect both trailer air lines and leave them open
- Push both park control valves and rebuild air pressure, then turn off the engine
- Drain every reservoir to zero pressure
- Cage all spring brakes and remove the wheel chocks
Answer: B — Push both park control valves and rebuild air pressure, then turn off the engine
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Practice more: Alberta Air Brake (Q) Knowledge Test Practice Questions - Alberta Air Brake (Q Endorsement) Knowledge Test Exam →