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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. If you have a HazMat endorsement and renounce your U.S. citizenship:
you may keep your endorsement until your next license renewal date.
you will lose your HazMat endorsement.
you may keep your endorsement if you pass the exam for non-U.S. citizens.
you may transfer your endorsement to a trusted U.S. citizen.
2. When driving on slippery roads, you should NOT:
watch far enough ahead to keep a steady speed.
try to anticipate stops early.
use the engine brake.
go slowly.
3. When driving a 60 foot truck at 35 mph in ideal conditions, you should keep at least _______ of space in front of you.
5 seconds
6 seconds
12 seconds
4 seconds
4. What is the most important reason to inspect your vehicle?
Achieving the best gas mileage.
Saving money by preventing costly repairs.
Your safety and that of other road users.
Vehicle inspection is required by federal and state laws.
5. After starting the engine, the ABS light stays on. This means:
the ABS is working properly.
the ABS is not working properly.
the ABS is in Neutral.
the ABS oil level is not adequate.
6. Whether or not they load and secure the cargo themselves, drivers are responsible for:
recognizing poorly balanced weight.
knowing the cargo does not obscure the view ahead or to the sides.
making sure the cargo does not restrict access to emergency equipment.
All of the above.
7. Hazardous materials are labelled with a __________ label.
8. You should always be able to stop within:
the distance you can see ahead.
100 feet.
50 feet.
25 feet.
9. If you have to drive off the road, you should:
fully apply the brakes until your speed has dropped to about 20 mph.
leave the road completely.
keep one set of wheels on the pavement, if possible.
brake as hard as you can to maintain control.
10. You are more at risk of being fatigued:
when stopping periodically during long trips.
when driving during the day.
after getting more than 8 hours of sleep.
when driving alone.
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TX CDL Hazmat Test

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