2024 OH CDL Practice Test: Passenger - Test Based on 2024 OH CDL Handbook 27. Load hazardous materials: A Away from shadows. B Near heat sources. C Away from heat sources. Next More 27/30 Progress 0 Errors Restart Next Next Passenger - Test Back to Test List HazMat - Test 6 Passenger - Test 2 Challenge Library 12 More OH CDL Practice Tests 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 32 Tank - Test 4