2024 SC CDL Practice Test: Class B - Test 6 Based on 2024 SC CDL Handbook 22. Driving a commercial motor vehicle with a Blood Alcohol Content of ___ percent or more is illegal. A 0.08 B 0.04 C 0.02 Next More 22/30 Progress 0 Errors Restart Next Next Class B - Test 6 Back to Test List Class B - Test 5 Class B - Test 7 Challenge Library 12 More SC CDL Practice Tests 15 Class B - Test 7 16 HazMat - Test 17 HazMat - Test 2 18 HazMat - Test 3 19 HazMat - Test 4 20 HazMat - Test 5 21 HazMat - Test 6 22 Passenger - Test 23 Passenger - Test 2 24 Double and Triples - Test