Question 315 of 276 · Alberta Class 4 Knowledge Test
When square blocks are used to chock the wheels before an inspection, what is their minimum size?
Exactly one answer is correct.
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Correct answer to question 315
- B: 15 by 15 centimetres
Explanation
Chock the wheels and make sure the chocks will keep the vehicle from moving. The minimum size for square blocks should be 15 by 15 centimetres.
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