Oklahoma CDL Hazardous Materials Practice Test (OK) 2020

For those who value speed and accuracy! An Oklahoma CDL practice test that follows the same format as the real HazMat test!

  • 20 Questions
  • 80% Passing Score
  • 4 Mistakes Allowed
86% of students found this test helpful!
Rated 4.3 out of 5 by 12 drivers

Oklahoma CDL Test Facts

  • Questions: 50
  • Correct answers to pass: 40
  • Passing score: 80%
  • Test locations: Department of Public Safety (DPS) Offices
  • Test languages: English, Spanish
  • Based upon: Oklahoma CDL Manual
Improve your chances of passing the test by reading the official Oklahoma drivers manual Drivers Manual

How do you know if you need an Oklahoma hazmat permit for your commercial driving job? The hazardous materials section of the permit test study guide includes a comprehensive list of the types of cargo which will likely qualify as hazardous and demand an H endorsement. If you are at all uncertain which CDL endorsements are required for your chosen career, you should endeavor to check with your current or potential employer before booking any exam. To give you some short-term guidance on the matter, you will probably need to pass the Oklahoma CDL hazmat test if you will be transporting substances that are radioactive, poisonous, corrosive, explosive, toxic or flammable. The team have created a top-quality Oklahoma hazmat practice test 2020 quiz to help you get your hands on an H endorsement for your license. Online quizzes like our free CDL practice tests which are student-focused and designed using real permit test questions from the exam they target can make all the difference to your study plan, not to mention your chances of earning an endorsement first-time.

It takes just a couple of seconds to start up this Oklahoma hazmat endorsement practice test and start getting to grips with some genuine H endorsement test questions! Do not be too eager to dive straight in, as there are other DMV written tests you will need to pass to become a qualified hazardous material transporter, which must be dealt with prior to the actual Oklahoma DPS hazmat test itself. You will definitely need to start by passing the general knowledge CDL test Oklahoma exam, as it applies to all trainee commercial drivers. Our Oklahoma CDL general knowledge practice test focuses on this DPS permit test.

Next up you will probably need to take the Air Brakes endorsement exam and possibly, the Combination Vehicles endorsement exam. The former assessment is mandatory for Class A and Class B drivers, while the latter is only required for Class A. Any class of commercial license could have a hazmat endorsement added to it, though Class A and Class B drivers apply for the H endorsement far more frequently than Class C. When you have established which of these endorsements you require, you can use our Class B and Class A practice test Oklahoma air brakes quiz and if necessary, our Combination Vehicles 2020 permit practice test to get ready for the written assessments.
It is quite common for commercial drivers in Tulsa, Oklahoma City and Norman who hold a hazmat endorsement to also apply for a tanker vehicles endorsement, as the two qualifications are equally important to many different commercial driving jobs. Transporting any hazardous material in liquid form – as many of the most common hazardous material are – would only be possible if you also hold a tanker vehicles N endorsement. In case you were wondering, our team have also constructed an extremely high-quality Oklahoma CDL practice test for the N endorsement permit test which is available for free, unlimited use elsewhere on

As our CDL hazmat practice test for Oklahoma drivers is based on the information in the H endorsement section of the study guide, you will find it contains questions on the complete range of hazmat topics. What better way to track your progress and make sure you fully-understand containment rules, loading procedures, vehicle inspection, warning placards and the properties of different materials than applying what you have learned to authentic DMV test questions? Have you got a few minutes to spare right now? Try our hazmat practice test 2020 quiz today!