General Knowledge · Question 1

Question 1 of 403

During a pre-trip inspection, you find a tire with a large bulge in the sidewall. What should you do?

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Correct answer to question 1 (General Knowledge): Take the vehicle out of service until the tire is replaced

Why

A bulge means the tire's internal structure is damaged and it can fail without warning, including a blowout at speed. It must be replaced before the vehicle goes back into service, not just monitored or reinflated.

Updated: November 2026

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