2024 WY CDL Practice Test: Tank - Test 5 Based on 2024 WY CDL Handbook 28. How much tread should be in every major groove of a tire that is not in front? A 1/32 B 2/32 C 4/32 Grade More 28/28 Progress 0 Errors Restart Grade Grade Tank - Test 5 Back to Test List Tank - Test 4 Air Brakes - Test Challenge Library 12 More WY CDL Practice Tests 34 Air Brakes - Test 35 All - Test 36 All - Test 2 37 All - Test 3 38 Tank and Hazmat - Test 39 Tank and Hazmat - Test 2 40 Class C - Test 41 Class C - Test 2 42 Class C - Test 3 43 Class C - Test 4