Free Ohio CDL HazMat Practice Test 2023

Welcome to the free CDL hazmat practice test for Ohio drivers. As you know, Hazardous Materials (HazMat) endorsement which allows you to carry a wider range of loads, including those objects with more dangerous items requires more training. As a CDL holder, if you want to expand your horizons, you have to get HazMat. The CDL hazmat tests will test your knowledge of various aspects of the safe transport and handling of hazardous materials. Our Ohio CDL Practice Test will give you the real experience of the exam as you will be more familiar with both the test format and the subject. The questions are based on the Ohio CDL Manual and each question has a detailed explanation so that it is very useful for you to learn more about each topic. You can retake our CDL practice test pack as often as you want. Good luck and keep driving safely!

Our CDL practice tests:
Based on 2021 OH commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
OH CDL HazMat Test format:
30 questions
24 correct answers to pass
80% passing score
List of questions
Before moving tanks of hazardous materials, all valves and manhole covers must be:
What must drivers have in their possession while carrying Class 1.1 or 1.2 explosives?
All of the following apply to hazmat placards except:
There is an RQ before or after the item description on the shipping paper, what does it mean?
You can not park a vehicle transporting hazardous materials within _____ feet of an open fire.
When loading or unloading hazardous materials, it's important you _______.
Which of the following hazardous material classes is the most dangerous?
If you have to send someone for help for a hazmat leak, make sure that person has what information:
A placarded vehicle, or one that has cargo tanks used for hazmat, must do what at a railroad crossing?
Cargo heaters are generally prohibited in cargo space that contains any of the following except:
The driver should try to contain, repair, and clean up leaks:
It is crucial that the shipping papers, labels, and placards are correct because:
All of the following are true of portable tanks except:
When parking hazmat Division 1.1, 1.2, or 1.3 loads, do not park within _______ of bridges, fires, or gathering places?
It is especially important that nobody smoke near what class of hazard?
A bulk package, requiring placards when transporting hazmat, is defined as single container with a capacity of:
You should never transport a package labeled poison if you are hauling _______.
Examples of shipping papers include all of the following except ______.
A hazardous material classified as forbidden ______.
The first step in recognizing a hazmat load is to look at the: