Free Iowa CDL HazMat Practice Test 2022

Welcome to the free CDL hazmat practice test for Iowa 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 Iowa 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 Iowa 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 2022 IA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
IA CDL HazMat Test format:
30 questions
24 correct answers to pass
80% passing score
List of questions
1.
The driver carrying controlled radioactive material must have had special training by the carrier once every _____ years.
2.
Total quantity must appear:
3.
You have a vehicle without racks to hold cylinders of compressed gas. You may load such cylinders only if they are:
4.
While loading or unloading a cargo tank, a qualified person must be watching and be within how much feet of the tank?
5.
A hazardous material intended for only transport by water will be indicated by what letter in column 1 of the hazmat table?
6.
All of the following apply to hazmat placards except:
7.
When transporting damaged packages of explosives, you should:
8.
When driving a placarded vehicle, you should try as much as possible to avoid:
9.
To stay safe and legal while transporting hazmat, drivers should never:
10.
If you are transporting explosives and you become involved in a collision, it is important you remove all explosives before separating the vehicles. These explosives must be placed how many feet away from the vehicles and occupied buildings?
11.
The ______ is responsible for finding the necessary permits and special routes needed to haul hazardous materials.
12.
To accurately describe the type of hazardous materials being carried, and their risk, shippers will provide:
13.
Never park Division 1.1, 1.2, or 1.3 explosives within 5 feet of:
14.
When shippers package hazardous materials, they must certify that this was done according to regulations. Which of the following is the exception?
15.
You find an overheated tire during inspection. If you are hauling hazardous materials, you must:
16.
Correctly labeling and marking a hazmat load is the responsibility of:
17.
Why should someone always be at the nozzle when you are fueling a placarded vehicle?
18.
Properly placarding the vehicle is the responsibility of the:
19.
Examples of shipping papers include all of the following except ______.
20.
What placard should you use if your vehicle contains any amount of Project Hazards?