CDL Test (2024) - FREE CA CDL Practice Test

1. What is the most important hand signal you should agree on with a helper?

2. A steering wheel play of more than ___ degrees can make it hard to steer.

3. Which of the following statements about accelerating is TRUE?

When traction is poor, you should avoid speeding up gradually.
Rough acceleration can cause mechanical damage.
If the drive wheels begin to spin, speed up to regain traction.

4. Before you back into an area, you should __________ overhanging hazards like trees, branches or electric wires.

check your mirrors to be aware of
ask someone else to check for
get out of the vehicle and check for

5. During a pre-trip inspection, to check your lights you should:

turn off the engine, turn on the headlights and 4-way emergency flashers, and get out of the vehicle.
check the yellow malfunction lamps on the instrument panel.
with the engine running, put the vehicle in a forward gear and turn on the headlights.

6. When driving, you:

should only use turn signals if there is a vehicle behind you.
should always use turn signals to tell other drivers your intentions.
should carefully evaluate road and traffic conditions to decide if you should use turn signals.

7. You should always back and turn toward the driver's side:

so you can watch the rear of your vehicle by looking out the side window.
unless it means having to go around the block first.
unless you have someone to help you.

8. When the spring brakes are on, you should never:

9. Which of the following is true about lanes changes?

Lane changes require more than regular mirror checks.
When changing lanes you should check your mirros as usual.
Lane changes should always be avoided.

10. The most common type of brake is the:

CDL PRACTICE TEST - GENERAL KNOWLEDGE (CALIFORNIA)