CDL Combination Test (2024) - FREE Arkansas Practice Test

1. If you are driving a 30 foot vehicle at 35 mph, you should leave at least _______ between your vehicle and the vehicle in front of you.

2. If the fifth-wheel locking lever is not locked after the jaws close around the kingpin:

the parking brakes are on and your vehicle is safe to drive.
the parking brakes are on and the wheels are chocked.
the coupling is not right and you should not drive until you get it fixed.
cargo is properly blocked.

3. If your truck has automatic transmission, you should downshift:

after entering a curve.
when going down grades.
whenever road conditions allow.
when you need to accelerate.

4. If a load is placed on one side of the trailer:

the steering axle weight will be too light to steer safely.
making turns may be easier.
your brakes won't work.
a rollover is more likely.

5. If you must make an emergency stop, you should:

brake in a way that will keep your vehicle in a straight line.
use the hand brake before the brake pedal.
apply the brakes as hard as you can to lock them.
None of the above.

6. When inspecting the cargo, make sure it is:

secured properly for the first 50 miles after beginning a trip.
not overloaded.
piled up.
All of the above.

7. If driving a new vehicle, you should familiarize yourself with the controls and equipment:

as you drive.
after pulling into a service station.
before you start driving.
within the first 50 miles.

8. If your ABS is not working:

you still have normal brake functions, and should drive and brake as you always have.
the drive wheels will begin to spin, and you should take your foot off the accelerator.
it will slow your truck to a halt and force you to pull over.
you should immediately bring your vehicle to a complete stop.

9. When uncoupling, after you unlock the fifth-wheel you should:

chock the trailer wheels.
pull the tractor clear of the trailer.
pull the tractor partially clear of the trailer.
ease the pressure on the locking jaws.

10. If your trucks has a high center of gravity, which of the following is true for curves?

You should travel at the posted speed limit.
Reduce your speed to a crawl.
You should slow down, as your truck can roll over at the posted speed limit for the curve.
None of the above.

COMBINATION PRACTICE TEST - AR CDL