2024 NC CDL Practice Test: HazMat - Test 6 Based on 2024 NC CDL Handbook 9. The blind spot of a school bus can extend up to how many feet? A 600 B 400 ft. C 550 ft. D 450 ft. E 500 ft. Next More 9/29 Progress 0 Errors Restart Next Next HazMat - Test 6 Back to Test List HazMat - Test 5 Passenger - Test Challenge Library 12 More NC 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