View instructions
Any driver, regardless of the vehicle Class, who wants to haul hazardous materials, must add an “H” endorsement to their CDL. In order to obtain the Hazmat endorsement drivers are required to pass a Transportation Security Administration background check and a knowledge test. The Missouri hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The MO CDL hazmat test covers the information found in the Missouri CDL Manual. Study the chapter covering hazardous materials to learn how to recognize, handle, and transport Hazmat, then take this practice test to prepare for your exam!
1. The hazardous materials regulations require vehicles transporting certain types or quantities of HazMat to display warning signs called:
reflective triangles.
HazMat warnings.
2. The basic description of hazardous materials does NOT include:
ID number.
the name of the hazardous materials in italics.
hazard class or division.
3. If you are carrying Division 1.2 or 1.3 materials, you must park at least ______ from a bridge, tunnel, or building.
200 feet
300 feet
100 feet
4. When crossing railroad tracks, you should:
shift gears while crossing the tracks.
stay in your lane.
stop on the tracks.
5. Placards should be placed at least ______ away from any other markings.
6 inches
3 inches
7 inches
6. If the words "Inhalation Hazard" appears on the shipping paper, the __________ placard must be displayed.
Liquid Gas
Corrosive Materials
Poison Inhalation Hazard or Poison Gas
7. If hazardous materials are spilling from your vehicle while you are driving, after parking the vehicle do NOT:
try to find the source of the leak by smell.
stay there.
secure the area.
8. When driving at night you should dim your lights when following another vehicle within:
500 feet.
100 feet.
1 mile.
9. Which of the following is a common cause of truck fires?
Under-inflated tires and duals that touch.
Short circuits due to loose connections.
All of the above.
10. When shippers package hazardous materials, they certify that the package has been prepared according to the rules. The only exceptions are when:
a shipper is a private carrier transporting their own product, and when the package is provided by the carrier.
a shipper is a private carrier transporting hazardous waste.
the sealed loads is provided by the carrier and the package cannot be inspected.
Page 1 of 3
Next page

CDL Hazmat Test MO

Number of questions: 30
Correct answers to pass:24
Passing score:80%
Share This Online CDL Test
Rate this CDL Hazmat Test
4.8 out of 5
based on 243 votes