Texas CDL Air Brakes Practice Questions - Texas CDL Air Brakes Knowledge Test Exam

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On the Texas CDL Air Brakes test, during pre-trip, when checking the air system, you turn the key on but do not start the engine. Pressure is at full and brakes are released. You time the static leak rate. What value passes a single vehicle?

Less than 5 psi per minute No more than 2 psi per minute No more than 10 psi per minute No more than 4 psi per minute

Correct Answer:

No more than 2 psi per minute

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