2024 MD CDL Practice Test: Class A - Test 8 Based on 2024 MD CDL Handbook 19. When should you check and adjust your mirrors? A While driving B After a trip C Before starting a trip D Mirrors do not need to be adjusted. Next More 19/29 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 MD 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