2024 NC CDL Practice Test: HazMat - Test 4 Based on 2024 NC CDL Handbook 26. If your brakes fail on a downgrade, what is your best hope to stop? A An escape ramp B Using the shoulder C Going off the road Next More 26/29 Progress 0 Errors Restart Next Next HazMat - Test 4 Back to Test List HazMat - Test 3 HazMat - Test 5 Challenge Library 12 More NC CDL Practice Tests 20 HazMat - Test 5 21 HazMat - Test 6 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