2024 DE CDL Practice Test: Tank - Test Based on 2024 DE CDL Handbook 20. To test the trailer brakes you should use ______. A The front mirror. B ABS system. C Your headlights. D The trailer hand valve. Next More 20/28 Progress 0 Errors Restart Next Next Tank - Test Back to Test List Double and Triples - Test 5 Tank - Test 2 Challenge Library 12 More DE CDL Practice Tests 30 Tank - Test 2 31 Tank - Test 3 32 Tank - Test 4 33 Tank - Test 5 34 Air Brakes - Test 35 All - Test 36 All - Test 2 37 All - Test 3 38 Tank and Hazmat - Test 39 Tank and Hazmat - Test 2
