FREE CDL Class B Driving Test Online | Texas 2024
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 2021, 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 . 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.
2 . In cold weather, an alcohol evaporator should be checked and filled:
Once a month.
An alcohol evaporator can help prevent ice from building up in an air brake system. In cold weather, the evaporator should be checked and refilled every day.
3 . Which of the following is not acceptable emergency equipment?
Four yellow squares
During the vehicle inspection test, you will need to show emergency equipment, including spare electrical fuses; three red reflective triangles, six fuses, or three liquid burning flares; and a properly charged and rated fire extinguisher.
4 . 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.
5 . What can happen if the air pressure gets too low in an air brake system?
The brakes will be very sensitive.
Pressing and releasing the brake pedal unnecessarily can let air out faster than the compressor can replace it, reducing the available air pressure. If the air pressure in an air brake system gets too low, the brakes will no longer work.
6 . After driving over a bridge during the driving skills test, you may be asked to recall.
If there was a crosswalk on the bridge.
If you drive over a bridge during the on-road driving skills test, the examiner may ask you afterwards to recall the bridge's posted weight limit.
7 . When a brake pedal is pressed and the S-cam is turned, the S-cam:
Releases air from the air tanks.
When a brake pedal is pressed and the S-cam is turned, the S-cam presses the brake shoes against the inside of the brake drum. This causes friction and will cause the vehicle to slow.
2024 Texas | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Texas, you need to have a valid CDL license first. Then, study the Texas CDL handbook's section on Doubles/Triples endorsement. Afterwards, schedule an appointment at your local DMV to take the written test. Upon passing, you'll receive your endorsement. Remember, some employers may require additional on-the-job training.
To obtain a CDL Doubles/Triples license in Texas, you need to have a basic CDL license first. Then, pass the Doubles and Triples Endorsement Test which covers coupling and uncoupling, inspecting doubles and triples, and checking air brakes. Additionally, you must pass a vision test and provide proof of medical fitness.
While Texas doesn't require specific experience for a CDL Doubles/Triples endorsement, it's recommended to have practice handling such large vehicles. A CDL training course can provide this. You must pass a written test on handling double/triple trailers. Knowledge of coupling/uncoupling, inspecting trailers and air brakes is necessary. Professional training can greatly improve your chances of passing the test.
Yes, to obtain a CDL Doubles/Triples endorsement in Texas, you must pass an additional written test. This test covers information specific to driving double and triple trailers such as coupling and uncoupling, inspecting doubles and triples, and the proper procedures for pulling double/triple trailers. No additional road test is required for this endorsement.
The CDL Doubles/Triples endorsement test in Texas is a written exam, not a skills test. It focuses on knowledge such as how to couple and uncouple correctly, inspecting doubles and triples, and checking air brakes. You'll need to understand safe driving techniques for these larger vehicles, but you won't perform actual driving maneuvers during the test.
No, it's not permissible to operate double/triple trailers without a valid CDL Doubles/Triples endorsement in Texas. The endorsement is a legal requirement, demonstrating that the driver has the necessary knowledge and skills to handle such large vehicles safely. Driving without the appropriate endorsement could result in penalties, fines, or even loss of your CDL.
You can add the CDL Doubles/Triples endorsement to your current commercial driver's license. You don't need to initiate a new application for a CDL. However, you must pass the Doubles/Triples knowledge test. Once you pass, the Texas Department of Public Safety will add the endorsement to your existing CDL.
Yes, there are constraints for drivers with a CDL Doubles/Triples endorsement. For instance, these drivers must comply with specific weight and length regulations for their vehicles. They may also face restrictions related to hazardous materials transport. Additionally, they must adhere to hours-of-service rules set by the Federal Motor Carrier Safety Administration to ensure safe driving practices.
In Texas, the maximum legal weight for a semi-truck is 80,000 pounds without an overweight permit. The maximum length for a single trailer is 59 feet, while double trailers can be up to 28.5 feet each, and triple trailers up to 28 feet each. However, triple trailers are not legal on all roads in Texas.
Yes, there are specific safety guidelines for driving double/triple trailers. Drivers must ensure proper coupling and uncoupling of units, maintain safe following distance, and manage high-speed and curve control. They must also be aware of the "crack-the-whip" effect that can occur when changing lanes or turning. Furthermore, drivers must abide by Federal Motor Carrier Safety Administration regulations for hours-of-service.