Knowledge Test Class A #2
Class A Driving Test | Texas 2025 #2 Page 2 of 10
Train for FREE online with our Texas class A 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 TX CDL class A 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 A requirements may vary from state to state.
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8 . Some air brake systems use alcohol:
To reduce the risk of rust forming on air brake valves.
Some air brake systems contain an alcohol evaporator. This device introduces alcohol into the braking system to inhibit the formation of ice.
9 . When traveling at speeds under 40 mph, you should maintain at least ____ of following distance for every 10 feet of your vehicle's length.
Four seconds
When traveling at speeds under 40 mph, you should allow a minimum of one second of following distance for every 10 feet of your vehicle's length. At faster speeds, add at least one additional second.
10 . The emergency brake system uses:
Only parts unique to the emergency brake system.
In an air brake system, there are three different braking systems: a service brake system, a parking brake system, and an emergency brake system. The emergency brake system uses parts of both the parking and service brake systems.
11 . A vehicle should be equipped with all of the following, except:
A spotlight.
Commercial vehicles should always carry the proper emergency equipment. Be sure your vehicle is equipped with at least one fire extinguisher; spare electrical fuses, unless the vehicle is equipped with circuit breakers; and warning devices for parked vehicles, such as warning triangles, fuses, or liquid burning flares.
12 . When checking tire condition during the vehicle inspection, you should:
Ensure that the tires have even wear.
When examining your tires during the vehicle inspection test, you should ensure that treads are evenly worn.
13 . Placards should be used:
If the hazardous materials create an inhalation hazard.
Placards must be placed on the outside of vehicles carrying hazardous materials. They identify the specific class or classes of materials being carried and warn others of relevant hazards.
14 . In a newer vehicle, you apply the parking brake:
By using a black round knob.
In a newer vehicle with air brakes, the parking brake is controlled by a diamond-shaped yellow knob. The knob is pulled out to apply the parking brakes and pushed in to release them.
2025 Texas | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in Texas, you must first have a Commercial Driver's License (CDL). Then, pass the Hazardous Materials Endorsement Knowledge Test at a Texas Department of Public Safety office. After passing, you'll need to undergo a TSA background check. Once cleared, the endorsement will be added to your CDL.
To obtain a CDL Hazmat license, you must first hold a valid Commercial Driver's License (CDL). You must be at least 21 years old and have a clean driving record. You'll also need to pass the Hazardous Materials Endorsement Knowledge Test and undergo a TSA background check. Good vision and physical health are also prerequisites.
When applying for a CDL Hazmat endorsement, you will need your current CDL, proof of U.S. citizenship or legal status (like a birth certificate or green card), and proof of identity and Texas residency. You'll also need your Social Security card and a completed Application for Texas Driver License or Identification Card. Lastly, you'll need to pass a TSA background check.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. Called the Hazardous Materials Endorsement Knowledge Test, it covers topics like loading and unloading hazardous materials, bulk packaging marking, driving and parking rules, and emergency response procedures. This test must be passed to obtain the Hazmat endorsement.
The written test for the CDL Hazmat endorsement covers a range of subjects related to hazardous materials. These include recognizing hazardous materials, safe loading and unloading procedures, proper use of placards and labels, emergency response procedures, driving and parking rules for hazardous materials, and understanding the associated risks and regulations.
Yes, acquiring a CDL Hazmat endorsement comes with additional charges. These include a fingerprinting fee for the required TSA background check, and an endorsement fee. The exact costs can vary, so it's recommended to check with your local Department of Motor Vehicles (DMV) or similar agency for the most accurate information.
Yes, obtaining a CDL Hazmat endorsement requires a background check and security clearance. The Transportation Security Administration (TSA) conducts the check, which includes fingerprinting and a review of criminal, immigration, and terrorism records. This process is necessary to ensure the safety and security of hazardous materials transportation.
Yes, specialized training is required for the CDL Hazmat endorsement. Applicants must pass a written test, and in some cases, a driving test with a vehicle that carries hazardous materials. Once passed, this endorsement is added to your Commercial Driver's License (CDL). Regular renewal of this certification is also required.
No, you cannot legally transport hazardous materials without a valid Commercial Driver's License (CDL) with a Hazardous Materials (Hazmat) endorsement in the United States. This requirement ensures that drivers have the necessary training and knowledge to handle such materials safely, protecting public safety and the environment.
Yes, you can add the CDL Hazmat endorsement to your current CDL. You don't need to apply for a new CDL. However, you must pass the Hazmat knowledge test, undergo a TSA background check, and pay the required fees. Once completed, the endorsement will be added to your existing CDL.