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

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On the Michigan CDL Air Brakes test, what is the proper response to an apparent total loss of service brakes on a downgrade?

Shift into neutral and coast Downshift to maximum engine braking, sound the horn, flash lights, use any retarder, and look for a runaway truck ramp or another escape path Pull the parking brake fully Speed up to outrun the grade

Correct Answer:

Downshift to maximum engine braking, sound the horn, flash lights, use any retarder, and look for a runaway truck ramp or another escape path

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