Riter C. Hulsey Public Library

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Any driver, regardless of the vehicle Class, who wants to haul hazardous materials, must add an “H” endorsement to their CDL. In order to obtain the Hazmat endorsement drivers are required to pass a Transportation Security Administration background check and a knowledge test. The Texas hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The TX CDL hazmat test covers the information found in the Texas CDL Manual. Study the chapter covering hazardous materials to learn how to recognize, handle, and transport Hazmat, then take this practice test to prepare for your exam!
1. When conducting a pre-trip inspection:
the vehicle inspection report should not be reviewed unless your supervisor tells you to do so.
the inspection report should only be reviewed if you will be carrying passengers.
you should review the last vehicle inspection report.
None of the above.
2. Most heavy-duty vehicles use:
hydraulic brakes.
solid brakes.
pressure brakes.
air brakes.
3. To know if your vehicle is equipped with ABS, look for:
the ABS logo on the steering wheel.
a yellow ABS malfunction lamps on the instrument panel.
the ABS shipping paper.
an ABS placard.
4. While crossing railroad tracks, you should:
shift up.
shift down.
not shift gears.
stop, then look and listen for the train.
5. The shipper must certify on the shipping paper:
that the shipment has been prepared according to the rules.
that the package is safe.
that the package contains hazardous materials.
Al of the above.
6. At a rest area, you discover your hazardous materials shipments is leaking. There is no phone around. You should:
never park your vehicle.
continue driving in order to find a phone.
keep driving slowly until you reach a truck stop.
send someone else for help and give that person all of the necessary information.
7. Empty trucks have the best braking. True or False?
It depends on the cargo.
True.
It depends on the truck.
False.
8. When transporting hazardous materials, you, as a driver, are responsible for:
marking containers of hazardous material with the material’s name, ID number, and hazard label.
refusing leaking packages and shipments.
reporting incidents and accidents involving hazardous materials to the proper government agency.
certifying on the shipping paper that the shipment has been prepared according to the rules.
9. When more cargo is piled up in a truck, the center of gravity moves:
higher up from the road.
to the right side of the truck.
closer to the ground.
to the left side of the truck.
10. What is a safe haven?
A place where hazardous materials can be safely dumped.
The place where commercial drivers convicted for DUI must attend a one-week special driver education course.
An approved place for parking unattended vehicles loaded with explosives.
The storage container tank where hazardous materials must be stored.
 
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Frequently Asked Questions

Under the Graduated Driver License (GDL) program, the age requirements for applicants under 18 are as follows:
  • You must be at least 15 years old for a learner license.
  • You must be between 16 and 17 years of age to apply for a provisional driver license.
  • You must be 18 years old or older to receive a class C driver license.


If you are under 25, you need to enroll in a driver education course and you can take the DMV written test at the driving school. After passing the exam, you have to visit a Texas driver license office to obtain a learner license. Alternatively, you can choose to take the permit test at any driver license office.

You'll need to bring these documents to a driver license office:
  • A completed application signed by your parent/legal guardian, either at the driver license office or in front of a public notary.
  • Proof of U.S. citizenship or lawful presence.
  • Two proofs of your Texas residency.
  • Proof of identity.
  • Proof of your Social Security number.
  • Texas Vehicle Registration and proof of insurance of your vehicle (if available).
  • Texas Driver Education Certificate and proof of passing the DMV written test (if applicable).
  • Verification of school enrollment, or a high school diploma or equivalent (for minors).

The DMV written test in Texas is available in English or Spanish and you need to understand road signs written in English. If needed, you can bring a translator, but they can only assist you in communicating with the specialist before and after the exam.

To prepare for the DMV written test, read the Texas Driver's Handbook and take our free practice tests to verify your knowledge. Topics covered on the exam include road signs, parallel parking, turning, passing a vehicle, yielding the right of way, etc. Once your scores are good, you are ready for the real test.

The Texas DMV written test consists of 30 multiple-choice questions and is based on the information provided in the manual. Remember, you have 1 hour to complete the exam. Taking numerous practice tests and thoroughly studying the handbook will increase your chances of success.

You must answer at least 21 questions correctly, and you can miss up to 9 questions to pass the test. The minimum score required to succeed in the exam is 70%. Take your time during the test to make sure you understand the questions well.

For new drivers in Texas, specific restrictions apply.

If you have a learner license:
  • You must drive only under the supervision of a licensed adult aged 21 or older seated in the front passenger seat.
If you have a provisional driver license:
  • You are not permitted to drive with more than one passenger under 21 who is not a family member.
  • Driving a motor vehicle between midnight and 5:00 a.m. is prohibited, except for work, school-related activities, or medical emergencies.
Additionally, all drivers under 18 years old are prohibited from using any wireless communication device, except in emergencies. Furthermore, drivers under 21 are prohibited from operating a vehicle after consuming any amount of alcohol (Zero Tolerance law).

Your learner license will remain valid until your 18th birthday. Use this period to fulfill all the necessary requirements before applying for a provisional driver license. If you are under 18 years old, you can renew it in person at a Texas driver license office. 

After the first failure, your application will be held for 90 days. After 90 days or after three failed exams, you will have to submit a new application and pay another fee. If you find the DMV written test difficult, sign up for DMV Premium, which offers numerous resources and practice tests to improve your preparation.

TX CDL Hazmat Test

Number of questions: 30
Correct answers to pass:24
Passing score:80%
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