When experiencing a cargo fire, it may be a bad idea to open the doors to the trailer. Doing so allows oxygen to enter the area, potentially causing the fire to flare up and expand.

Allows oxygen into the trailer.

Changes the temperature of the trailer.

Provides more moisture to the trailer.

To drive a vehicle of any size that is used to transport hazardous materials, you must have a CDL with a hazardous materials endorsement.

A CDL with hazardous materials endorsement.

Always set the parking brake before loading or unloading hazardous materials.When loading or unloading containers of hazardous materials, you should not use hooks, or any other tools that could damage containers or packaging. Hazardous materials should be kept away from heat sources.

Load hazardous materials away from heat.

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On our website, we provide FREE practice - CDL hazmat test online! The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a MO CDL hazmat endorsement in 2024, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that Missouri requirements for issuing a hazmat endorsement for CDL may vary from those established in other states.

Number of Question 30

Passing Score 24

Number of Tests 20

Hazmat Test | Missouri 2024 #2 Page 3 of 5

13 . If transporting chlorine, what must be in the vehicle?

14 . During a cargo fire, opening the trailer doors may actually cause the fire to expand because doing so:

15 . To transport hazardous materials, a driver needs:

16 . The power unit of a placarded vehicle must carry a fire extinguisher with a minimum rating of:

17 . When loading hazardous materials, you should do all of the following, except:

18 . Who must mark and label the materials for shipping?

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