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

Why should air reservoirs be drained regularly?

To increase brake lag before a trip To remove water, oil, and sludge that can damage valves or freeze To disable the low-air warning To raise tire pressure

Correct Answer:

To remove water, oil, and sludge that can damage valves or freeze

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