CDL Combination Test (2024) - FREE Rhode Island Practice Test

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

the steering axle weight will be too light to steer safely.
a rollover is more likely.
making turns may be easier.

2. An Anti-lock Braking System (ABS):

lets you drive faster.
increases your normal braking capability.
keeps your wheels from locking up when you brake hard.

3. During a walk around inspection of a combination vehicle, drivers should check that:

the glide plate is securely mounted to the trailer frame.
all locking pins are present and locked in place.
All of the above.

4. When backing a trailer, you should:

avoid correcting the drift.
try to position your vehicle so you can back in a straight line.
turn the steering wheel in the direction you want to go.

5. During a trip you need to inspect the cargo and its securing devices:

6. Most hydraulic brake failures occur for one of two reasons, one of which is:

relying too much on the engine braking effect.
excessive downshifting.
loss of hydraulic pressure.

7. A red triangle with an orange center means:

Law enforcement vehicle
The vehicle is hauling hazardous materials
Slow-moving vehicle

8. Which of the following is NOT part of a trailer air line system?

9. When backing, as soon as you see the trailer getting off the proper path, you should:

turn the top of the steering wheel in the direction of the drift.
to keep a firm grip on the steering wheel and continue backing.
turn the top of the steering wheel in the opposite direction of the drift.

10. Axle weight is:

the maximum safe weight your tires can carry at a specified pressure.
the weight of all the axles added together.
the weight transmitted to the ground by one axle or one set of axles.

COMBINATION PRACTICE TEST - RI CDL