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.
What must drivers have in their possession while carrying Class 1.1 or 1.2 explosives?
2.
You are hauling hazardous materials and you find that one of your tires is leaking, you must:
3.
How many identical placards is a vehicle transporting hazardous materials required to display?
4.
Safe route planning for radioactive material is done by:
5.
The degree of control needed when transporting radioactive materials is called the:
6.
A vehicle contains 500 pounds each of explosives class 1.1 and 1.2. You must use:
7.
Where must emergency response information be kept?
8.
The power unit of a placarded vehicle must have a fire extinguisher with a UL rating of at least _____ B:C
9.
The name of the material on the shipping paper must:
10.
You find an overheated tire during inspection. If you are hauling hazardous materials, you must:
11.
You must notify _____ of any spills that exceed the RQ.
12.
All of the following are true of shipping papers except:
13.
You filled a cargo tank with a hazardous material. What needs to be done before moving the car?
14.
The letters of the shipping name must be, at minimum, how tall on portable tanks with capacities of more than 1,000 gallons?
15.
Which of the following would be categorized as a mass explosion?
16.
As a person who transports hazardous materials, you or your employer must phone the National Response Center when ______.
17.
When loading or unloading compressed gas:
18.
A freight container _______.
19.
Preparing, dating, and signing the Hazardous Waste Manifest is the responsibility of the:
20.
A carrier must give to the driver transporting Division 1.1, 1.2, or 1.3 (Class A or B) explosives: