CDL Doubles Triples Practice Test (2024)

1. To prevent rollover, you should do all of the following except:

put the lightest parts of the cargo under the heaviest parts.
drive slowly around turns.
avoid quick lane changes.
keep the load centered on your rig.

2. Pre-trip inspections are:

required only for trips of more than 100 miles.
required by law
required only for trips of more than 50 miles.
recommended.

3. The average driver has a reaction time of:

4. Air pressure should build up in a single air system, within about:

5. With an engine fire, you should:

open the hood as soon as possible.
turn the engine off as soon as possible.
not shoot foam from the vehicle’s underside.
All of the above.

6. Your vehicle should be equipped with all of the following except:

Warning devices for parked vehicles
Fire extinguisher
Instructions on how to perform a vehicle inspection test
Spare electrical fuses

7. A bridge formula permits:

more maximum axle weight for axles that are far apart.
less maximum axle weight for axles that are close together.
more maximum axle weight for axles that are closer together.
less maximum axle weight for axles that are far apart.

8. To avoid becoming an aggressive driver you should:

speed up if you think you’re going to be late.
give other drivers your full attention.
give other drivers the benefit of the doubt.
make gestures to other drivers.

9. To know how much space you should keep in front of you:

estimate how many vehicle lengths there are between you and the vehicle ahead.
wait until the vehicle ahead of you passes a clear landmark, then count off the seconds until you reach the same spot.
estimate how many seconds it would take you to reach the vehicle ahead.
None of the above.

10. Hanging meat in a refrigerated truck can be:

a very unstable load with a high center of gravity.
a very stable load with a low center of gravity.
a very unstable load with a low center of gravity.
a very stable load if properly distributed.

FL CDL DOUBLES TRIPLES TEST - PRACTICE TEST