Alberta Air Brake (Q) Knowledge Test Practice Questions - Alberta Air Brake (Q Endorsement) Knowledge Test Exam - Variant 2

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During Alberta's park control valve check, at what pressure range should the park control valve (yellow button) pop out?

60 to 80 PSI 20 to 45 PSI 100 to 110 PSI 120 to 135 PSI

Correct Answer:

20 to 45 PSI

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