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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 Wyoming hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The WY CDL hazmat test covers the information found in the Wyoming 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 tire load rating is stated:
on the side of each tire.
on each axle.
on the dashboard.
inside the suspension system.
2. With low beams, drivers can see ahead about:
150 feet
15 feet
100 feet
250 feet
3. If radioactive material is involved in a leak or broken package:
do not touch the leaking package and drive to the nearest service station.
clean the vehicle without touching the radioactive material.
immediately contact the fire department.
do not use the vehicle until it is cleaned.
4. If you are being tailgated, you should do all of the following except:
Try to let the other vehicle pass
Increase your following distance
Turn on your taillights
Reduce your speed gradually
5. What is used to warn others of HazMat?
Security envelopes
Emergency packages
Flashing lights
6. Before moving a tank of hazardous materials, you must:
close all manholes and valves.
call the Chemical Transportation Emergency Center and tell them your destination.
send the shipping papers to the shipper.
All of the above.
7. When driving at night, if drivers of oncoming vehicles do not put their low beams on, you should:
flash your high beams to remind the other drivers to use their low beams.
pull off the road and stop.
look slightly to the right at a right lane or edge marking, until the vehicles pass.
look directly at the headlights.
8. Before unloading explosive materials, you should:
keep the engine running.
use hooks or other metal tools if possible.
connect heater power sources.
turn your engine off.
9. If a material is transported in a reportable quantity, the shipper displays the letters ___ on the shipping paper and package.
10. Your engine runs a pump used during delivery of compressed gas. After product transfer, you should:
turn off the engine while you unhook the hose.
turn off the engine after you unhook the hose.
turn off the engine before you unhook the hose.
leave the engine on while you unhook the hose.
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WY CDL Hazmat Test

Number of questions: 30
Correct answers to pass:24
Passing score:80%
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