FREE CA CDL Combination Test - Practice Test 2024

1. When connecting the glad hands, you should press the two seals together with the couplers at a ______ angle to each other.

2. Which of these is NOT part of the basic method for shifting up?

Release the accelerator, push in the clutch and shift to neutral at the same time.
Accelerate while pressing the clutch and turn toward the driver's side.
Push in the clutch and shift to the higher gear at the same time.

3. What is countersteering?

Turning the steering wheel quickly the other way after steering in an emergency situation.
Locking your wheels while turning in an emergency situation.
Staying off the brake while steering to the right to avoid an accident.

4. You have uncoupled a trailer and want to inspect the landing gear. The tractor should be positioned:

with the tractor frame under the trailer.
completely clear of the trailer.
with the tractor frame above the trailer.

5. When backing a trailer, you should:

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

6. Inspecting the fifth-wheel does NOT include:

backing until the fifth-wheel just touches the trailer.
checking for missing or damaged parts.
checking that there are no cracks in the frame.

7. When driving a combination vehicle, which of the following 2 things will help you prevent a rollover?

Keeping cargo near the center of the vehicle and driving slowly on turns.
Keeping cargo near the center of the vehicle and driving slowly on the highway.
Keeping the cargo near the ground and driving slowly around turns.

8. How can you tell if a converter dollie has ABS?

There is a yellow lamp on the left side of the dolly.
There is an ABS plaque on the right side of the dolly.
There is a red lamp on the left side of the dolly.

9. When should you use chocks to park a trailer without spring brakes?

10. When backing a trailer, you should:

pull-up frequently to reposition the vehicle.
turn the steering wheel toward the direction you want to go.
not back up in a straight line.

CALIFORNIA CDL COMBINATION PRACTICE TEST