Free District of Columbia CDL HazMat Practice Test 2022

Welcome to the free CDL hazmat practice test for District of Columbia 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 questions will test your knowledge of various aspects of the safe transport and handling of hazardous materials. Our DC 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 DC 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 take our CDL practice test as often as you want. Good luck and keep driving safely!

Our CDL practice tests:
Based on 2022 DC commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
DC CDL HazMat Test format:
30 questions
24 correct answers to pass
80% passing score
List of questions
1.
A hazard class name or ID number is not used to illustrate:
2.
The driver carrying controlled radioactive material must have had special training by the carrier once every _____ years.
3.
The maximum total transport index of all radioactive materials packages in a single vehicle is_____
4.
Why is displaying the hazmat ID number so important?
5.
The letters of the shipping name on a portable container with a capacity of less than 1,000 gallons must be:
6.
The X in the hazardous materials column of a shipping paper entry has which of the following meaning:
7.
When loading or unloading hazardous materials, it's important you _______.
8.
How should a shipper label hazardous materials?
9.
Cargo heaters are generally prohibited in cargo space that contains any of the following except:
10.
When transporting Division 1.1, 1.2, or 1.3 explosives, a route plan must be:
11.
All of the following are true of portable tanks except:
12.
The person in charge of loading and unloading a cargo tank must be sure a qualified person is always watching. This person must be within how many feet of the tank?
13.
When loading, unloading, or moving explosives, when is it ok to use a metal hook?
14.
A portable tank with a capacity of more than 1,000 gallons requires the ID number to be marked in how many places?
15.
Who is responsible for certifying on the bills of lading that the hazardous materials are prepared correctly?
16.
The carrier of hazardous materials is responsible for ________.
17.
When transporting hazardous materials and you are not behind the wheel, the shipping papers must be on the driver’s seat or:
18.
How many placards must a hazmat vehicle display, at minimum?
19.
A hazardous material classified as forbidden ______.
20.
Before fueling a placarded vehicle, you need to ______.