Alberta Class 4 Practice Questions - Alberta Class 4 Commercial Driver's Licence Knowledge Test Exam

Why is operating a commercial vehicle with under-inflated tires considered an extremely dangerous hazard?

It causes the tire tread to wear only in the center of the tire It increases rolling resistance, which causes the tire to overheat and can lead to a sudden carcass blowout It makes the steering feel too tight and difficult to turn It decreases the overall weight of the vehicle, reducing traction

Correct Answer:

It increases rolling resistance, which causes the tire to overheat and can lead to a sudden carcass blowout

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