cdl practice test

Combination Vehicles CDL Test

Question #1 of 49

Using dummy couplers will prevent water and dirt from getting into the coupler and the air lines when not in use.



About this Combination Vehicles CDL Test

Our combination vehicle CDL practice test is graded for you at the end of the test based on the percentage of correct test answers. You will also be able to see user statistics which will show you how many people answered a particular combination vehicle question correctly or incorrectly. Take this practice test until you get a perfect score.

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

© 2018