CDL HAZMAT PRACTICE TEST MARYLAND

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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.
six
four
three
two
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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Frequently Asked Questions

The age requirements to obtain a class C driver's license in Maryland are established by the three-steps of the Rookie Driver Program:
  • Learner’s instructional permit ? you must be at least 15 years and 9 months.
  • Provisional license ? you must be at least 16 years and 6 months.
  • Driver’s license ? you must be at least 18 years old and have held a provisional license for at least 18 months.

To schedule the MVA written test for a learner’s permit, complete the pre-application. You can visit any Maryland Motor Vehicle Administration (MVA) office, and upon successful completion of your exam, the permit will be mailed to you.

You must bring the following documents:
  • Proof of identity.
  • Proof of Social Security Number or proof of ineligibility.
  • Two Maryland residency documents. If you are under 18, provide one document and bring your parents/guardians with acceptable proof of your relationship.
  • For applicants under 16, a certificate of school attendance must be provided either by the applicant's school or by a parent or guardian.
For a complete list of acceptable documents, refer to the official Maryland Document Guide.


The MVA written test in Maryland is available in English, Spanish, Vietnamese, Korean, French, and Traditional Chinese. You also have the option to schedule an oral exam. Foreign language interpreters are allowed, but applicants must pay their fee. For those who are hearing impaired, the MVD offers assistance free of charge.

You should read the Maryland Driver's Handbook to familiarize yourself with the most common road rules and safe driving practices. Evaluate your knowledge with our free practice tests, or sign up for DMV Premium to unlock exclusive PDF Cheat Sheets!

The Maryland MVA written test comprises 25 questions, and you have 20 minutes to complete it. You should study the manual carefully to ensure your success on the first attempt.
A score of 88% or better is required to pass the MVA written test, so you can miss up to 3 questions. Be cautious and read thoroughly the questions.
For new drivers in Maryland, there are specific restrictions based on their age and licensing stage.

Learner’s permit holders:
  • Are not allowed to use a cell phone, including hands-free devices, except for emergency calls.
  • Must be accompanied by a driver aged 21 or older, with a minimum of 3 years of driving experience, seated in the front passenger seat.
Provisional license holders (Under 18):
  • Cannot drive with passengers under 18, except siblings, for the first 151 days, unless accompanied by a supervising driver.
  • Cannot drive between midnight and 5 am unless supervised by a licensed driver aged 21 or older with at least 3 years of driving experience, or for work, school, volunteer, or sports activities.
  • Are not allowed to use a cell phone, including hands-free devices, except for emergency calls.
  • Must wear safety belts and ensure that other passengers use them.
For all drivers under 21, it's illegal to drive after drinking any amount of alcohol.  

A Maryland learner’s permit is valid for 2 years from the date of issuance. If the permit expires before you can complete or pass the skill test, you will need to reapply for a new permit and retake the knowledge test.

If you fail your MVA written test, you need to schedule another appointment at an MVA office. You can retake the exam the next business day after the first failure. However, if you fail two or more times, you must wait seven days before retaking the permit test.

MD CDL Hazmat Test

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