2024 MD CDL Practice Test: Tank - Test Based on 2024 MD CDL Handbook 9. Typically, identification numbers are _____ digit codes. A Six. B Three. C Four. D Eight. E Five. Next More 9/28 Progress 0 Errors Restart Next Next Tank - Test Back to Test List Double and Triples - Test 5 Tank - Test 2 Challenge Library 12 More MD 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
