Knowledge Test Class B #1
Class B Driving Test | Texas 2025 #1
Train for FREE online with our Texas 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 TX 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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1 . If another driver is following you too closely, you should do all of the following, except:
Avoid relying on tricks to help others pass.
If you are being followed too closely, you should increase your following distance, avoid making quick moves, and avoid relying on tricks (such as flashing your lights) to help other drivers pass. Speeding up may only increase the danger by causing the tailgater to continue tailgating you at a higher speed.
2 . After starting the engine, oil pressure should reach a normal level:
Within 10 minutes of driving.
After you start the engine, keep an eye on the gauges. Oil pressure should rise to a normal level within a few seconds of the engine being started.
3 . If approaching a railroad crossing while driving a placarded vehicle, you should always:
Change lanes while on the tracks.
If approaching a railroad crossing while driving a transit bus, school bus, or placarded vehicle, special procedures apply. Before crossing, stop your vehicle within 50 feet of, but not less than 15 feet from, the nearest rail. Activate your four-way flashers while crossing. Do not stop, change gears, or change lanes while any part of your vehicle is proceeding across the tracks.
4 . What do anti-lock brakes do?
Prevent a vehicle from accelerating while traveling downhill
The function of an Anti-Lock Braking System (ABS) is to prevent the vehicle's wheels from locking up from hard brake application.
5 . On a truck with air brakes, the braking system’s air compressor:
Cleans the brakes.
In an air brake system, the air compressor pumps air into the air storage tanks. The air compressor is controlled by the air compressor governor.
6 . To inspect slack adjusters on S-cam brakes, you need to:
Chock the wheels and disengage the parking brake.
Check each slack adjuster after parking on level ground, setting wheel chocks, and disengaging the parking brake. Pull the slack adjusters to make sure they do not move more than about one inch from where the push rod is attached. If they move more than one inch, they may be out of adjustment and will need to be fixed.
7 . When driving:
You may read texts that have fewer than 30 words.
Using a phone while driving is a dangerous distraction. When operating a CMV, you are not allowed to read or send text messages.
See the exact questions that will be on the 2025 Texas DMV exam.
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2025 Texas | Frequently Asked Questions
To acquire a CDL Tank endorsement in Texas, you must already have a Commercial Driver's License (CDL). Then, you need to pass the Tank Vehicle (N) endorsement knowledge test at your local Department of Public Safety (DPS) office. You should study the Texas CDL Handbook to prepare for this test.
Obtaining a CDL Tank license requires you to first have a Commercial Driver's License (CDL). You must then pass the Tank Vehicle (N) endorsement knowledge test. It's essential to study the related sections in the CDL Handbook before taking the test. You may also need to undergo a background check depending on the type of materials you will be transporting.
While Texas doesn't require specific training or experience for a CDL Tank endorsement, it's highly recommended to prepare for the Tank Vehicle (N) endorsement knowledge test. You can self-study using the Texas CDL Handbook. However, many choose to attend a training program to gain practical skills and knowledge, which could increase chances of passing the test.
Yes, to obtain a CDL Tank endorsement in Texas, you must pass the Tank Vehicle (N) endorsement knowledge test. This written test focuses on the handling and transportation of liquid cargo. The specific content and number of questions can vary, so it's best to prepare using resources like the Texas CDL Handbook.
The written test for the CDL Tank endorsement in Texas includes subjects such as inspecting and driving tank vehicles, safe driving practices, cargo handling and emergency procedures, and specific knowledge related to transporting liquids and gases.
The CDL Tank endorsement assessment primarily focuses on knowledge rather than specific maneuvers. You'll need to understand the inspection of tank vehicles, specifics of driving high center of gravity vehicles, safe driving practices, and how to handle emergencies. There's no specific skills test or road test for the Tank endorsement like there is for the basic CDL.
Drivers with a CDL Tank endorsement must adhere to all federal and state regulations related to transporting liquids. This includes weight limits, proper securing of cargo, and handling of hazardous materials if applicable. Furthermore, they may be subject to more frequent inspections. Violations can result in fines, CDL suspension or revocation.
No, it's illegal to transport liquid or gas materials in a tank vehicle without a valid CDL Tank endorsement. This rule applies to vehicles designed to transport 1,000 gallons or more. Violation can result in hefty fines, legal penalties, and potential suspension or revocation of your CDL. Always ensure your endorsements are up-to-date before transporting such materials.
The CDL Tank endorsement can be added to your current Commercial Driver's License (CDL). You don't need to apply for a new CDL. However, you will need to pass the Tank Vehicle endorsement knowledge test. Once you pass the test, your CDL will be updated with the Tank endorsement.
Yes, there are specific regulations and prerequisites for handling hazardous materials with a CDL Tank endorsement in Texas. These include obtaining a hazardous materials endorsement, passing a background check, completing specialized training, and adhering to strict safety protocols when transporting, loading, and unloading hazardous materials.
