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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. If the diamond-shaped hazard warning label won't fit on a package, shippers may label the hazardous materials:
using a bar code instead.
by placing the package in a hazmat container.
with a tag.
All of the above.
2. If your trucks has a high center of gravity, which of the following is true for curves?
You should slow down, as your truck can roll over at the posted speed limit for the curve.
You should travel at the posted speed limit.
Reduce your speed to a crawl.
None of the above.
3. After starting the engine, the ABS light stays on. This means:
the ABS is not working properly.
the ABS is in Neutral.
the ABS is working properly.
the ABS oil level is not adequate.
4. If you doubt you have enough space to pass under a bridge, you should:
drive faster.
turn on your 4-way emergency flashers.
turn on your headlights.
go slowly.
5. When backing a truck you should:
get out and walk around the vehicle before you begin to back.
always rely on your mirrors.
back and turn toward the right side.
look straight ahead.
6. Rollovers happen when drivers:
stop too often.
brake too hard.
turn too slowly.
turn too fast.
7. Some packages of ________ bear a "transport index", which tells the degree of control needed during transportation.
radioactive materials
flammable liquids
corrosive liquids
8. Before entering an intersection, make sure that:
That there is enough room for the rear of your vehicle to clear the stop line on your side.
there's enough room to get at least halfway across.
accelerate smoothly and change gears as necessary.
there is sufficient space to clear it.
9. When should you downshift automatic transmissions?
When going down steep grades.
When you start to get drowsy.
When you want to go faster.
Watch your tachometer, and downshift when your engine reaches the top of the range.
10. If you're carrying hazardous materials and are stopped at a truck stop, you should:
leave the shipping papers in the driver’s door pouch or on the driver’s seat.
tuck the shipping papers under your windshield wiper.
keep the shipping papers with you.
leave the shipping papers on the dashboard in clear view.
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NC CDL Hazmat Test

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