Question 3 of 25
Score: 0/0With the engine off and brakes released, what is the maximum acceptable air leak rate in a straight truck or bus air brake system?
ExplanationWhen the engine is off and brakes are released, air loss should not be more than 2 psi per minute to ensure the air brake system remains safe and effective.
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Did you know? Drain your tanks daily — moisture is the enemy of an air system, and the exam knows it.
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