CDL Combination Vehicle Test at California 2025 – Test #2

The spring brakes used on the chambers in a straight truck will bring you to a stop when air pressure drops below ____ psi.

With air brakes vehicles, the parking brakes should be used:

It is accepted that too much heat caused by using your brakes too often also cause:

At what psi an air brake system is fully charged?

If your truck or bus has dual parking control valves, you can use pressure from a separate tank to:

A slack adjuster’s free play needs to be adjusted if it is more than about ____ how many inches when you pull hard on it?

California 2025 Commercial Driver's License computer test

To earn your California Commercial Driver's License (CDL), you'll need to pass a series of tests covering general knowledge, vehicle inspection, air brakes, and specialized endorsements. These tests evaluate your understanding of safe driving practices, federal and state regulations, and commercial vehicle operation. Prepare effectively with our California CDL practice tests-designed to help you gain the knowledge and confidence needed to pass on your first attempt. You can buy premium plan to get access all questions.

State:

CA

Language:

EN

Start free practice test now