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

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Which of the following is classified as a major defect under commercial vehicle safety standards, requiring the vehicle to be taken off the road immediately?

A cracked windshield that does not affect the driver's view An inoperative horn A flat tire, or a tire with a leak, or visible cord showing in the tread area A squeaking passenger seatbelt adjuster

Correct Answer:

A flat tire, or a tire with a leak, or visible cord showing in the tread area

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