Question 320 of 276 · Alberta Class 4 Knowledge Test

What is the minimum tread depth for a steering axle tire during the walk-around?

Exactly one answer is correct.

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Correct answer to question 320

  • D: 3.2 mm

Explanation

The steering axle tire must have adequate tread depth of not less than 3.2 mm. It must also be properly inflated with no bulges, sidewall separation, cuts or uneven wear.

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