2024 NM CDL Practice Test: Tank - Test 3 Based on 2024 NM CDL Handbook 28. With an engine fire, what should you do? A Open the hood as soon as possible B Turn the engine off as soon as possible C Not use a fire extinguisher Next More 28/30 Progress 0 Errors Restart Next Next Tank - Test 3 Back to Test List Tank - Test 2 Tank - Test 4 Challenge Library 12 More NM CDL Practice Tests 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 40 Class C - Test 41 Class C - Test 2