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CDL Hazardous Materials Endorsement H Practice Test -2

Our Free CDL Practices Tests are designed to help you pass your CDL Hazmat Endorsement Test on the first try. This practice tests has 25 multiple choice questions each question is designed to help you learn the material in the CDL Handbook.
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CDL HAZMAT Endorsement Practice Test

Study for your “H” endorsement using real questions and answers that you’ll find on your HAZMAT endorsement exam! Our free online HAZMAT practice test is the best way to make sure all of your hard studying pays off. We’ve compiled questions and answers from the most up-to-date federal laws regarding the safe hauling of hazardous materials. You’re just a few clicks away from acing your H endorsement exam with flying colors.

This free HAZMAT practice test features 25 multiple-choice questions compiled by professionals versed in commercial driving compliance, using the most accurate information straight from the latest federal statutes. You’ll need to answer at least 20 questions correctly to pass, and you’ll get instant feedback as you progress through your test. Consult the detailed explanations with each question and answer for more context, and use the comprehensive review at the end to identify topics that need more time and attention before you take your actual HAZMAT exam. The multiple-choice format efficiently trains your brain to recall the correct answers quickly, while also preparing you for the look and feel of the DMV CDL test.

CDL HAZMAT Endorsement Practice Test FAQs:

How do I get an “H” endorsement in my state?

To get an H endorsement to carry hazardous materials, you’ll first need to pass two written exams: a general CDL knowledge test and a HAZMAT-specific written test. First, though, you’re required to submit your fingerprints for a federal background check.

How old do I have to be to get a HAZMAT endorsement?

You must be at least 21 years old to earn a HAZMAT endorsement on your commercial driver’s license.

What questions are on the CDL HAZMAT endorsement exam?

The H endorsement test asks questions on the safe handling of different hazardous materials, including liquids, batteries, explosives, poisons, and more. You’ll also need to demonstrate understanding of how to operate, park, and safely store commercial vehicles carrying HAZMAT inside, as well as emergency procedures specific to driving with hazardous materials.


A "transport index" relates to _____ products.
  • Liquid.
  • Radioactive.
  • Dry.
  • Overweight.
A hazardous material is ______ during transportation.
  • A product that poses a risk to health during transportation.
  • A product that can damage property during transportation.
  • A product that poses a risk to public safety while it is being transported.
  • All of the listed answers.
A placard should be ________.
  • Kept clean and undamaged.
  • Be attached to a background of contrasting color.
  • At least three inches away from other markings.
  • All of the listed answers.
As a person who transports hazardous materials, you or your employer must phone the National Response Center when ______.
  • All of the listed answers.
  • A person is killed.
  • There is property damage estimated to exceed $50,000.
  • An injured person requires hospitalization.
Drivers of placarded vehicles that are transporting hazardous materials must stop ___ to ___ before the nearest rail.
  • 15 ft., 50 ft.
  • 50 ft., 100 ft.
  • 5 ft., 10 ft.
  • 25 ft., 35 ft.
  • 60 ft., 75 ft.