FREE Florida CDL Doubles Triples Practice Test (2025)

1. Over-length loads:

require special driving care.
require special transit permits.
may require special equipment such as "wide load" or flags.
All of the above.

2. If an aggressive driver confronts you, you should NOT:

3. In vehicles with air brakes, the two markings on a front brake limiting valve are:

4. After an accident, an improper use of flares could cause:

air pressure to build from 50 to 100 psi within 2 minutes.
a fire if spilled fuel is on the ground.
the springs to put on the brakes.
the vehicle to slide back and forth.

5. Air tanks usually hold enough compressed air to allow the brakes to be used _________ even if the compressor stops working.

6. To warn drivers behind you when you see you'll need to slow down, you should:

7. Regardless of its size, cargo should have at least ___ tie-downs.

8. When inspecting the coupling, make sure the fifth-wheel jaws have closed around the:

9. What should you do if you doubt you have safe space to pass under a low bridge?

Assume that the height posted at the bridges is correct.
Increase the weight of your vehicle to clearing under the bridge.
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
Go slowly, and take another route if you are not sure you can make it.

10. Which of the following is not proper tie-down equipment:

FLORIDA CDL DOUBLES TRIPLES PRACTICE TEST