CDL Practice Tests

Doubles and Triples Test

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Question #1 of 24

Doubles and Triples Test Question Image

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 1 (Learning)

General Knowledge Test 2 (Learning) | Air Brake Test 1 (Learning) | Air Brake Test 2 (Learning)

Combination Vehicles (Learning) | Hazardous Materials (Learning) | Doubles & Triples (Learning)

Tanker Test (Learning) | School Bus (Learning) | Passenger Vehicle (Learning)

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