Question 8 of 25
Score: 0/0What can legally hold the parking or emergency brake in position on a truck, truck tractor, or bus?
ExplanationThe parking or emergency brakes on large vehicles are held in place by spring pressure, not by air or hydraulic pressure. This ensures the brakes stay engaged even if air pressure is lost.
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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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