Home » CDL HAZMAT/Tanker Written Exam Simulation

Based on the 2023 CDL Handbook

CDL HAZMAT/Tanker Written Exam Simulation


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For the Real Tanker/HazMAT Endorsement Test:

  • Total Questions:50
  • Correct Answers to Pass:40
  • Passing Score:80%

*Must Take HazMat & Tanker Tests

CDL HAZMAT/Tanker Written Exam Simulation Instructions:

  • Choose the best answer and receive instant feedback.
  • Click next to go to the next question.
  • Check your results at the end.
  • Start a new version and keep studying!

Each test contains questions based on information in the official driver’s handbook for 2023.

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Test your knowledge with this CDL written exam simulation.

Practice with more questions at once to get yourself ready for the real exam.

Restart the test or refresh the page for a new set of questions. 

Be sure to study the Tank Vehicles and Hazardous Materials sections (sections 8 and 9) of the official CDL handbook from your state as you prepare for the real thing. 

Need some more practice? Use our HAZMAT/Tanker practice test with instant feedback to help you study. 

Here’s what you need to know about your official X Endorsement knowledge exam:

  • Total Number of Questions: 50 questions (20 Tanker questions, 30 HAZMAT questions)
  • Passing Score: 80% on each test.
  • Number of Questions you can miss: 4 on Tank, 6 on HAZMAT
  • CDL Handbook Section to Study: Sections 8 & 9
  • Tank/HAZMAT Test Required for: CDL drivers who want to operate vehicles transporting hazardous materials in tanker vehicles.  

Learn how to apply for a CDL and find the CDL manual for your state.

Visit your state’s official DMV website for more application information and to make testing appointments.

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