texas
CDL Practice Test

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As you prepare to obtain your CDL in Texas, you can use this site as a guide for practicing common test questions. Rules and regulations covered on these practice tests for a CDL are based on questions from the Texas TxDPS CDL manual. You can take these practice tests as often as you like on your computer or mobile device, and all the tests on this site are 100% free. There is a 50-minute time limit. You may not go back once you answer a question. Click the "Start Test" button below to begin.

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Suspension systems:

2 / 40

Select the true statement in regards to an application pressure gauge:

3 / 40

"Outages" is the word to describe the amount of space required for liquids to expand in as they warm.

4 / 40

You should adjust all the outside left and right side convex mirrors to see:

5 / 40

When driving tank vehicles you should:

6 / 40

What should the driver pay special attention to when driving smaller tanks?

7 / 40

When does your vehicle's single brake system need an adjustment?

8 / 40

Select the statement that describes smooth bore tanks:

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Be careful to check the_____when unloading the smaller tanks of bulk heads.

10 / 40

Tires should should be replaced:

11 / 40

You can be sure air is supplied to the second trailer by:

12 / 40

Select the item that is not checked in the engine compartment:

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How do you release the dolly brakes when coupling twin trailers?

14 / 40

Select the factors that can cause your brakes to fade or fail:

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This item should be firmly attached the to frame, be solid, and clear of objects:

16 / 40

What is the standee line?

17 / 40

With Division 1.2 or 1.3 Explosive B, how close to the travelled part of the roadway can you park?

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What are the three types of emergency equipment that you must have with your vehicle?

19 / 40

When you have a major leak in the service line and put on the brake, the service air pressure will escape and cause the:

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What is most likely to occur when driving a set of doubles and a set of trailer wheels goes into a skid?

21 / 40

Select the portion of the combination vehicle that is most likely to turn over suddenly when pulling a double trailer:

22 / 40

Which of the following is NOT a part of the steering system?

23 / 40

Which of the following is the most important reason for doing a pre-trip inspection?

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Which of the following is a reason that shippers package material?

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When should you not use the parking brakes?

26 / 40

Air tanks need to be drained:

27 / 40

Select the two things that are important in preventing a rollover:

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Do not tow or push a disabled bus with riders aboard the vehicle, unless:

29 / 40

When transporting explosives you may not park:

30 / 40

When does stab braking occur?

31 / 40

Rods, connecting links, and arms from the steering box to the wheel are a part of the:

32 / 40

It has just reached freezing. Which of the following areas is slippery?

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____is what can legally hold the parking brake or emergency brake in position for a bus, truck, or truck tractor.

34 / 40

What can side to side surge cause?

35 / 40

To transport cargo safely, which of these are you NOT responsible for?

36 / 40

What is the purpose of the supply pressure gauge?

37 / 40

You downshift automatic transmissions ______.

38 / 40

Which seats not securely fastened to the bus are usually allowed?

39 / 40

Where should the safety catch for the fifth wheel locking lever be located for coupling to be complete?

40 / 40

What is the stopping distance for a tractor trailer that is traveling at 55 mph on dry pavement?

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CDL Category Practice Tests

CDL Practice Test

How To Get A texas Commercial Drivers License

To be eligible for a CDL in Texas, applicants must meet the following age eligibility requirements.

  • Be at least 18 years old to operate a commercial vehicle intrastate (within Texas only).
  • Be at least 21 years old to operate a commercial vehicle interstate (outside of Texas).

Texas CDL applicants must be medically certified that they are fit enough to operate a commercial vehicle and pass a vision test. Applicants are required to submit the following documents.

  • (Form CDL-4) Interstate Driver Certification
  • (Form CDL-5) Intrastate Driver Certification
  • (Form CDL-10) Certificate of Physical Exemption 49 CFR Part 391/390

Some applicants may be required to submit a Medical Examiner’s Certificate. Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Texas. Applicants can be disqualified for having multiple licenses.

Texas CDL Endorsements

  • H – Hazmat Vehicles
  • N – Tank Vehicles
  • P – Passenger Vehicles
  • S – School Bus
  • T – Double or Triple Trailer
  • X – Combination Tank Vehicles and Hazmat Vehicles

Hit the Open Road

texas CDL License Test Tips

All Texas CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the Texas CDL test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees.  The Texas skills test can be taken 14 days after applicants pass the knowledge test. It includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section.

Military veterans and current military members can apply to have the skills exam waived if they meet the requirements. To qualify for a waiver, applicants must be currently enlisted in the military and:

  • Possess a valid Texas driver’s license.
  • Have at least 2 years of military truck driving experience. The military vehicle must be similar to the commercial motor vehicle.
  • Have been honorably discharged from the military within the past 12 months.
  • Submit (Form CDL-ST WVR) Application for Military Skills Test Waiver signed by your commanding officer.

Additional Information

Information on the Texas Department of Public Safety

The Texas Department of Public Safety administers CDL license requirements in Texas. To get more information contact them via:

Website: http://www.dps.texas.gov/DriverLicense/CommercialLicense.htm

Phone: 512.424.2000

 

Additional Texas CDL Helpful Links

Please use the links below to access Texas CDL testing resources and to learn more about practice driving tests for the state of Texas.