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.

1 / 40

In Column 1 the symbol "I" means:

2 / 40

Which of the following statements about overhead space is true?

3 / 40

The gauge that needs to come up to normal levels after starting the engine within a few seconds is _____.

4 / 40

Within 3 minutes, this gauge pressure should build to 90 psi from 50 psi.

5 / 40

Unless you_____you will feel the effects of a liquid surge.

6 / 40

The best way to test if the spring brakes come on automatically is to:

7 / 40

You should have the fifth wheel plate greased as recommened because:

8 / 40

The minimum tread depth for steering axle tires is:

9 / 40

To test the security of the tractor semi trailer connection you should:

10 / 40

How do you check the air compressor governor "cut in" and "cut out" pressures?

11 / 40

Which of the following types of emergency equipment must you have on your bus?

12 / 40

What keeps air in the tanks should the air compressor develop a leak?

13 / 40

What color and shape is the trailer air supply control?

14 / 40

Select the true statement about baffled tankers:

15 / 40

Select the true statement in regards to brake drums:

16 / 40

What should you do if the low air pressure warning comes on for only one system in a truck or bus that has a dual air brake system?

17 / 40

You should_____to uncouple the converter dolly.

18 / 40

A safe haven is ______.

19 / 40

While completing the 2nd component of the air brake check you are required to turn the electrical power on, begin fanning off the air pressure by rapidly relasing and apply the foot brake and _____.

20 / 40

Which of the following are possible causes of tire fires?

21 / 40

Which of the following is the proper definition of a cargo tank?

22 / 40

This object should not be worn dangerously thin where visible.

23 / 40

Which of the following is a necessary qualification for non-bulk packaging?

24 / 40

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

25 / 40

The belt that you need to make sure is securely mounted, without frays, and adjusts and latches properly is the:

26 / 40

Select the situation in which you should use the hand valve to park a combination vehicle.

27 / 40

When should you avoid using the parking brake?

28 / 40

You should turn off your engine when loading flammable liquid unless:

29 / 40

The correct trailer height when coupling the rear trailer is:

30 / 40

Which contains more alcohol: a 12-ounce glass of 5% beer, a 5-ounce glass of 12% wine or a 1 1/2-ounce shot of 80 proof liquor?

31 / 40

When using turn signals, which of the following should be avoided?

32 / 40

With most hazardous materials, you may park within 5 feet of the road briefly, if your work requires it. The materials that are the exception and do not allow parking this close to the road are:

33 / 40

If you park the trailer at an angle to the tractor when uncoupling:

34 / 40

When driving normally, some drivers use the hand valve before applying the brake pedal to prevent jack knifing. Select the most appropriate response to this statement.

35 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

36 / 40

Suspension systems:

37 / 40

You should_____when an emergency requires you to quickly stop your tanker.

38 / 40

Select the statement that is true in regards to what is required of a driver with a double or triple trailers:

39 / 40

What is a supply pressure gauge used for?

40 / 40

When must a driver’s inspection report be completed?

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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.