Air Brakes · Question 47

Question 47 of 140

You stop briefly on level ground during a delivery run. Should you rely on the parking brake alone?

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Correct answer to question 47 (Air Brakes): Yes, on level ground the parking brake alone is generally sufficient for a brief stop, unlike on ice or a grade

Why

The extra precautions around the parking brake are mainly about ice and grades; on level, dry ground for a brief stop, the parking brake alone is normally enough to hold the vehicle.

Updated: November 2026

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