Quebec Class 1 Practice Questions - Quebec SAAQ Class 1 Heavy Vehicle Theory Exam

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During a circle check, a steering-axle tire on a heavy vehicle (GVWR 4,500 kg or more) is worn so that two adjacent tread grooves are down to the tread wear indicator. Under SAAQ rules, how is this classified?

A major defect; the vehicle must not be driven until the tire is replaced A minor defect; it may be reported to the carrier within 48 hours Not a defect, because the tire still has some tread remaining A minor defect only outside of the winter months

Correct Answer:

A major defect; the vehicle must not be driven until the tire is replaced

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