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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 Maryland hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The MD CDL hazmat test covers the information found in the Maryland 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 discover a cargo leak, you should call for help and:
touch the leaking HazMat to identify the material.
try to identify the material by smell.
continue driving in order to find a truck stop.
use shipping papers to identify the leaking material.
2. Which of the following is NOT something you must know in order to determine if you need to use placards?
The amount of hazardous material being shipped.
The manufacturing date of the materials.
The material's hazard class.
The amount of all hazardous materials of all classes on your vehicle.
3. If you get stuck on the railroad tracks, the first thing you should do is:
scream for help.
immediately get out of the cab and move away from the tracks.
try to move your vehicle until you see the train.
stay in your vehicle and call 911.
4. Confused drivers may:
change lanes for no apparent reason.
stop without warning.
change direction suddenly.
All of the above.
5. Before leaving your vehicle unattended, you should:
Apply the parking brake.
Chock the wheels.
Remove the keys.
All of the above.
6. HAZMAT placards are:
optional signs
warning signs
speed signs
regulatory signs
7. Who is required to keep a record of hazardous materials training?
The Environmental Protection Agency
The local transportation agency
The person receiving the training
HazMat employers
8. A driver distraction is anything that takes your attention away from driving, such as:
adjusting the radio.
All of the above.
9. The basic description of hazardous materials does NOT include:
ID number.
hazard class or division.
the name of the hazardous materials in italics.
All of the above.
10. 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 transfer your endorsement to a trusted U.S. citizen.
you may keep your endorsement if you pass the exam for non-U.S. citizens.
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CDL Hazmat Test MD

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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