2024 OK CDL Practice Test: Class A - Test 8 Based on 2024 OK CDL Handbook 25. 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 25/29 Progress 0 Errors Restart Next Next Class A - Test 8 Back to Test List Class A - Test 7 Class B - Test Challenge Library 12 More OK CDL Practice Tests 9 Class B - Test 10 Class B - Test 2 11 Class B - Test 3 12 Class B - Test 4 13 Class B - Test 5 14 Class B - Test 6 15 Class B - Test 7 16 HazMat - Test 17 HazMat - Test 2 18 HazMat - Test 3