Knowledge Test Class B #2
Class B Driving Test | California 2025 #2 Page 6 of 7
Train for FREE online with our California class B license 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 CDL class B permit 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 CDL class B requirements may vary from state to state.
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36 . If an air compressor is belt-driven, the belt should be routinely checked to ensure that it is:
If your vehicle has air brakes, the air compressor drive belt should be checked before each drive. Check the tightness of the belt and verify that it is in good condition.
37 . An empty truck:
Empty trucks require longer stopping distances than full trucks because they have less traction available.
38 . A safety valve is set to open at ____ pounds per square inch (psi).
The safety valve protects air tanks and the rest of an air brake system from accumulating too much air pressure. The safety valve is usually set to open at 150 psi.
39 . Most heavy trucks with manual transmissions require ____ to change gears.
Most heavy vehicles with manual transmissions require double clutching to shift gears. Learning to effectively change gears by double clutching takes practice.
40 . On any upgrade, gravity will:
A vehicle will be slowed down by gravity on any uphill grade. You may need to switch to a lower gear to climb a steep grade.
41 . When you double your speed from 20 to 40 mph, your vehicle's stopping distance is:
Doubling your speed from 20 mph to 40 mph multiplies your stopping distance by four. Adjust your driving accordingly.
42 . When the spring brakes are on, you should never:
Never push down the brake pedal while the spring brakes are activated. The combined force of springs and air pressure could damage the brakes.
2025 California | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in California, you must first have a Commercial Driver's License (CDL). Then, pass the Hazardous Materials (Hazmat) Knowledge Test at a DMV office. After passing, complete a Transportation Security Administration (TSA) background check. Once cleared, take the Hazmat endorsement form to DMV to add the endorsement to your CDL.
To obtain a CDL Hazmat license in California, you need to have a valid Commercial Driver's License (CDL). You must also pass the Hazardous Materials (Hazmat) endorsement knowledge test, provide a valid Transportation Security Administration (TSA) security threat assessment (background check), and complete fingerprinting. Training on handling hazardous materials is also required.
When applying for a CDL Hazmat endorsement in California, you need to provide your current valid Commercial Driver's License (CDL), proof of U.S. citizenship or lawful permanent residency (birth certificate, passport, or green card), and a completed Medical Examination Report Form. You'll also need to pass a TSA background check and provide fingerprints.
Yes, there is a dedicated written test for the CDL Hazmat endorsement in California. This test is designed to evaluate your knowledge about the rules and regulations related to the transportation of hazardous materials. It covers topics such as loading and unloading, bulk packaging, and emergency response procedures. You must pass this test to obtain the endorsement.
The written test for the CDL Hazmat endorsement covers a variety of subjects related to hazardous materials, including: recognition and identification of hazardous materials, compliance with safety regulations, understanding shipping papers, placarding requirements, loading and unloading procedures, handling emergencies and incidents, and the rules for transporting specific types of hazardous materials.
Yes, there are extra charges associated with acquiring a CDL Hazmat endorsement. In California, you must pay a $30 testing fee. Additionally, fingerprinting for the TSA background check costs approximately $86.50. Please note that these fees are subject to change and it's advisable to check the current rates with your local DMV office.
Yes, obtaining a CDL Hazmat endorsement does require a background check and security clearance. This is mandated by the Transportation Security Administration (TSA) and involves fingerprinting and checking for any disqualifying criminal offenses. The goal is to ensure the safety and security of hazardous materials transportation. It's necessary to pass this check to receive the endorsement.
Yes, specialized training and certification are required for the CDL Hazmat endorsement. Applicants must pass a written test regarding the transportation of hazardous materials. Additionally, they must undergo a TSA background check. These requirements ensure that drivers have the necessary knowledge and skills to safely transport hazardous materials.
No, you cannot legally transport hazardous materials without a valid CDL Hazmat endorsement in California. This endorsement is required to ensure the driver's understanding of safety precautions and procedures for transporting hazardous materials. Driving without it can lead to serious legal consequences including fines and suspension of your commercial driver's license.
Yes, you can add the CDL Hazmat endorsement to your current CDL license. You don't need to apply for a new license. However, you must pass a written Hazmat knowledge test and undergo a TSA background check. Once these steps are completed, the Hazmat endorsement can be added to your existing CDL.