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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 Pennsylvania hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The PA CDL hazmat test covers the information found in the Pennsylvania 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. The hazardous materials regulations require vehicles transporting certain types or quantities of HazMat to display warning signs called:
reflective triangles.
HazMat warnings.
advance warning signs.
2. If your placarded trailer has dual tires, you should check the tires:
at the beginning of each trip and each time the vehicle is parked.
once a year.
once every hundred miles.
once every 24 hours.
3. The two main places on which the hazardous materials identification number must appear are:
the license plate and the package.
the shipping paper and the driver's ID.
the shipping paper and the package
the gas tank and the right side of the truck.
4. Which of the following is NOT correct? Anti-lock brakes:
require drivers to apply the brakes as hard as they can without locking the wheels.
help drivers avoid skids caused by over braking.
help drivers avoid wheel lock up.
give drivers more control over the vehicle during braking.
5. Shipping papers must include:
what the materials will be used for.
an emergency response telephone number.
the price of the hazardous materials.
All of the above.
6. Most heavy-duty vehicles use:
pressure brakes.
air brakes.
solid brakes.
hydraulic brakes.
7. Using a helper when backing up is:
not recommended.
8. How can you tell if your vehicle is equipped with ABS?
Look for yellow ABS malfunction lamps on the instrument panel.
Look under the vehicle for the wheel speed sensor wires coming from the back of the brakes.
Trailers will have yellow ABS malfunction lamps on the left side.
All of the above.
9. If there is an "RQ" before or after the HEMS description on the shipping paper, it means that:
the material is in a package containing no other materials.
the material has a value of more $50,000.00.
the carrier must report any spill of this material.
All of the above.
10. If you are driving on a slippery road, you should:
decrease your following distance.
apply the brakes during turns.
use ABS to improve traction.
adjust your speed to conditions.
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Hazmat CDL Test (PA)

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