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.
You are behind the wheel of a truck carrying a hazardous material shipment. The shipping papers must be on the pouch on the driver’s door or in which of the following?
2.
In case hazardous materials leaking from a container but not spilling from your vehicle. Drive to the closest place where you can get help:
3.
You need to warn other motorists of a stopped vehicle which has a tank used for flammable liquid or gases. You may use:
4.
Where should nitric acid not be loaded?
5.
You will be driving a path you are unfamiliar with while hauling hazardous materials. When should you examine your route and any required permits?
6.
If transporting undeveloped film on a 5-hour trip, a radioactive package with a transport index of 3.9 must be kept how far away, at minimum?
7.
Class 1, 4 and 5 hazards must be loaded into a closed cargo space unless the packages are fire and water resistant, or:
8.
If you are hauling hazardous materials and have ___ tires on your vehicle, you must stop and check them every time you park.
9.
Shippers put a hazard warning label on all packages of hazardous materials. On most packages the hazard warning label is what shape?
10.
Where must emergency response information be kept?
11.
It is crucial that the shipping papers, labels, and placards are correct because:
12.
If a hazmat load does not have properly prepared shipping papers available, you should:
13.
Loading a tank requires a minimum of how many people?
14.
Some other indications that the shipment may be require hazmat precautions include all of the following except:
15.
Requirements of hazmat placard placement include:
16.
The designation RQ indicates the material's _______.
17.
In addition to a hazmat endorsement, what else may be required to transport certain hazmat materials, or transport over certain routes?
18.
In case of a fire, if the trailer doors are hot:
19.
Before fueling a placarded vehicle, you need to ______.
20.
Hazmat placards will normally display the hazardous cargo's: