CDL Practice Tests
CDL Home Page
CDL Practice Test
General Knowledge
Air Brakes
Combination Vehicles
Doubles and Triples
Tanker Vehicles
Hazardous Materials
Transporting Passengers
Contact
Privacy Policy
Take a Practice Test
CDL Practice Test
General Knowledge
Air Brakes
Combination Vehicles
Doubles and Triples
Tanker Vehicles
Hazardous Materials
Transporting Passengers
CDL Doubles and Triples Practice Test
Question 1 of 3
What is a converter dolly used for?
A
To couple an axle and a fifth wheel
B
To convert an axle into an additional fifth wheel
C
To convert a fifth wheel into an additional axle
D
To convert a fifth wheel into a dolly
Next