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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 North Carolina hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The NC CDL hazmat test covers the information found in the North Carolina 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. Nitric acid should:
loaded above other products.
stacked to the ceiling.
piled up high with heavy cargo on top.
not be loaded above any other product.
2. RQ stands for:
Relative Quality
Related Quality
Related Quantity
Reportable Quantity
3. When fueling a placarded vehicle, someone must always be:
watching the fueling from a safe distance.
at the emergency power shut off for the pump.
within 15 feet of the pump with a fire extinguisher.
None of the above.
4. If your brakes get wet, it can cause them:
to grab.
to apply unevenly.
to be weak.
All of the above.
5. Placards are used to:
to give people something interesting to look at while they drive.
warn motorcyclists to drive in another lane.
warn others of hazardous materials.
force other drivers to change lane.
6. To recognize if the shipment includes hazardous materials, you should look at the shipping paper and:
look at the shapes of containers.
see if there are tanks with diamond labels or placards on the premises.
know what business is the shipper is in.
All of the above.
7. Before unloading explosive materials, you should:
turn your engine off.
use hooks or other metal tools if possible.
keep the engine running.
connect heater power sources.
8. When approaching a stopped bus, you must be aware that:
passing a stopped bus is illegal.
passengers may cross in front of or behind the bus.
a student may be driving the bus.
passengers crossing in front of the bus can always see you.
9. When it comes to hazardous materials transportation, the shipper:
follows all special rules about transporting HazMat.
takes the shipment from to its destination.
must package, mark, and label the materials.
placards the vehicle when loading, if required.
10. During a hazardous materials emergency, you should:
prevent smoking and keep open flames away.
warn others of the danger.
keep everyone away.
All of the above.
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Hazmat CDL Test (NC)

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