2024 OH CDL Practice Test: HazMat - Test 6 Based on 2024 OH CDL Handbook 1. How often should you inspect your bus? A At least every 10 weeks. B Every year. C Every half a year. D Never. Next More 1/29 Progress 0 Errors Restart Next Next HazMat - Test 6 Back to Test List HazMat - Test 5 Passenger - Test Challenge Library 12 More OH CDL Practice Tests 22 Passenger - Test 23 Passenger - Test 2 24 Double and Triples - Test 25 Double and Triples - Test 2 26 Double and Triples - Test 3 27 Double and Triples - Test 4 28 Double and Triples - Test 5 29 Tank - Test 30 Tank - Test 2 31 Tank - Test 3