Air Brakes #2

Air Brakes Endorsement Test | California 2025 #2

Train for FREE online with our California CDL air brake test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a CA Class A/Class B driver license in 2025, practice as much as..

Train for FREE online with our California CDL air brake test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a CA Class A/Class B driver license in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that the requirements for CDL may vary from state to state.

25
20
20

1 . A wig wag is:

Vehicles with air brakes are required to be equipped with a low pressure warning device. A wig wag is a type of low air pressure warning device. This device drops a mechanical arm into the driver's view if the pressure in the tanks drops to a level between 55 and 75 psi.

2 . Before starting down a hill, be sure to:

Before starting down a hill, be sure to switch into a low gear. Gravity will increase your vehicle's speed as you travel downhill.

3 . During a static leakage test, the maximum leakage rate for a double combination vehicle is:

When performing a static leakage test on a double combination vehicle with air brakes, the leakage rate should be no more than 3 psi in one minute. If air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.

4 . The parking brake in a newer vehicle is applied by:

In newer vehicles with air brakes, the parking brake is controlled by a yellow, diamond-shaped knob. The driver should pull the knob outward to apply the parking brakes and push the knob inward to release them.

5 . An application pressure gauge shows:

If a vehicle is equipped, an application pressure gauge shows how much air pressure is being applied to the brakes. This gauge can help a driver identify if their brakes are beginning to fade.

6 . Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working.

Vehicles with ABS have yellow malfunction lamps to alert drivers when the braking systems are not working. Be sure you know where the malfunction lamp on your vehicle is before beginning a trip.

Reduce your study time from hours to minutes with a DMV exam “Cheat Sheet”

99.2% of people who use the cheat sheet pass the FIRST TIME

Click Here
Full Cheat Sheet
99.2%

99.2% of people who use the cheat sheet pass the FIRST TIME

2025 California | Frequently Asked Questions

A CDL Class B license in California allows drivers to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or tow a vehicle not heavier than 10,000 pounds. This includes buses, farm labor vehicles, and any vehicle towing a vehicle not exceeding a GVWR of 10,000 pounds.
A Class B CDL license in California allows the operation of single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or any such vehicle towing a vehicle not exceeding 10,000 pounds GVWR. This includes buses, dump trucks, delivery trucks, tow trucks, garbage trucks, and other similar vehicles.
To acquire a Class B CDL license in California, you must be at least 18 years old (21 for interstate driving), possess a valid non-commercial driver's license, pass a vision test, complete a medical examination, and successfully complete written and skills tests. You must also have a clean driving record and be able to demonstrate the ability to operate a Class B vehicle.
To qualify for a Class B CDL license in California, you must be at least 18 years old. However, you must be 21 years old or older to operate commercial vehicles across state lines or to transport hazardous materials or waste.
Yes, specific endorsements may be necessary for a Class B CDL license in California depending on the type of vehicle you plan to drive or cargo you plan to carry. For example, endorsements are required for passenger vehicles, school buses, tank vehicles, double/triple trailers, and for carrying hazardous materials.
The Class B CDL skills assessment in California includes three parts: pre-trip vehicle inspection, basic vehicle control, and on-road driving. You must show you can inspect your vehicle to ensure it's safe to drive, demonstrate that you can control the vehicle in various situations, and finally, drive safely in normal traffic conditions.
Class B CDL license holders in California are restricted to driving single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or towing a vehicle not heavier than 10,000 pounds. They cannot operate a Class A combination vehicle unless they have the appropriate endorsement.
Yes, it is possible. The California Department of Motor Vehicles (DMV) offers the written Class B CDL test in multiple languages, including Spanish. However, federal regulations require that all CDL holders understand English to a level that allows communication with the general public, comprehension of traffic signs and signals, and responses to official inquiries.
Yes, you can request accommodations for the Class B CDL written exam in California if you have a disability. The Department of Motor Vehicles (DMV) provides reasonable testing accommodations according to the Americans with Disabilities Act (ADA). This can include extended time, a quiet room, or a sign language interpreter. Contact your local DMV to discuss your needs and arrange accommodations.
Yes, you can retake the Class B CDL written test if you don't pass on your first attempt. In California, you're allowed three attempts to pass the written test within 12 months of paying the application fee. If you fail all three attempts, you must start the process over and pay a new application fee.

Search the best driving school in your neighbourhood