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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. The shipper must certify on the shipping paper:
that the package is safe.
that the shipment has been prepared according to the rules.
that the package contains hazardous materials.
Al of the above.
2. When driving a 50 foot vehicle at 50 mph, how much space should you keep in front of you?
5 seconds
4 seconds
3 seconds
6 seconds
3. If your trucks has a high center of gravity, which of the following is true for curves?
Reduce your speed to a crawl.
You should travel at the posted speed limit.
You should slow down, as your truck can roll over at the posted speed limit for the curve.
None of the above.
4. A placarded vehicle must have at least ____ identical placards.
5. You should always try to back toward the driver's side because:
you can more easily correct any steering errors.
you can watch the rear of your vehicle out the side window.
backing toward the left side is more dangerous.
None of the above.
6. If hazardous materials are spilling from your vehicle while you are driving:
try to find the source of the leak by smell.
touch the leaking material to make sure it's not water.
park the vehicle, secure the area and send someone else for help.
continue driving in order to find a truck stop, phone booth or help.
7. After starting the engine, oil pressure should rise to a normal level:
within 3 miles.
within 2 minutes.
within 6 minutes.
within seconds.
8. Whether or not they load and secure the cargo themselves, drivers are responsible for:
knowing the cargo does not obscure the view ahead or to the sides.
recognizing poorly balanced weight.
making sure the cargo does not restrict access to emergency equipment.
All of the above.
9. You should always be able to stop within:
25 feet.
the distance you can see ahead.
50 feet.
100 feet.
10. If radioactive material is involved in a leak or broken package:
immediately contact the fire department.
do not use the vehicle until it is cleaned.
do not touch the leaking package and drive to the nearest service station.
clean the vehicle without touching the radioactive material.
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MD CDL Hazmat Test

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