cdl practice test

Air Brake CDL Practice Test


Question #1 of 45

How often should you drain air tanks?


Every 3 hours or 200 miles.

Every 4 hours or 250 miles.

Drain your air tanks at the end of each working day.

Once a week is sufficient.

None of the above.





CDL Practice Test (Home) | General Knowledge Test | General Knowledge Test Part 2

True/False General Knowledge Challenge | Hazmat Test | Hazmat True/False Test | Air Brake Test

Air Brake Test (New) | Combination Vehicles Test | Doubles and Triples Test | Tanker Test

Pre Trip Inspection Test | Truck Driver Requirements | School Bus Test | Passenger Vehicle Test

Class A CDL Test #1 | Class A CDL Test #2 | Class B CDL Test #1 | Class B CDL Test #2

CDL Learning Series Tests (New) | Free CDL Training Information

Privacy Policy  |  Contact


© 2017 CDLTEST.co