FREE Arizona CDL Doubles Triples Practice Test (2024)

1. If the drive wheels begin to spin, you should:

accelerate smoothly and change gears as necessary.
take your foot off the accelerator.
apply your brakes all the way.

2. If there is a fire in your vehicle, do NOT:

3. When you back under a trailer:

4. Weight that is loaded so there is a high center of gravity:

causes greater chance of rollover.
makes a vehicle easier to handle.
reduces the chance that the load will shift to the side or fall off.

5. If there is a cargo fire in a van or box trailer, you should:

keep the doors shut.
open the doors, especially if your cargo contains hazardous materials.
enlist the help of bystanders.

6. Blocking and bracing are:

driving techniques used to regain control when your drive wheels start to skid.
coupling devices used to connect the service air lines from the truck or tractor to the trailer.
used to keep cargo from sliding and to prevent movement of cargo.

7. Watch out for black ice:

when the temperature is above freezing and the road is dry.
when it is snowing.
any time the temperature is below freezing and the road looks wet.

8. You as a driver should always:

make emergency plans when you see a hazard.
reduce your following distance.
stay in your lane.

9. Pre-trip inspections of doubles and triples should:

take more time than inspecting straight trucks.
take less time than inspecting straight trucks.
be done by the shipper.

10. Which of these statements about brakes is true?

The lighter the vehicle, the more heat the brakes absorb to stop it.
Brake fade does not result from excessive heat.
None of the above.

ARIZONA CDL DOUBLES TRIPLES PRACTICE TEST