cdl practice test

Doubles and Triples Practice Test


Question #1 of 18

What three methods can you use to secure a second trailer before coupling?


Chock the tires, park on level ground and charge the trailer air tank if it does not have spring brakes.

Park the rear trailer against another trailer, chock the tires and lock the trailer door.

Park on level ground, put chalk on the tires, and charge the air tank.

All of the above.

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