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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 New Hampshire hazmat test consists of 30 questions. To pass, you must correctly answer at least 24 questions (80%). The NH CDL hazmat test covers the information found in the New Hampshire 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. When fueling a placarded vehicle, someone must always be:
at the emergency power shut off for the pump.
watching the fueling from a safe distance.
within 15 feet of the pump with a fire extinguisher.
None of the above.
2. Placards must be placed:
so the words or numbers are read from right to left.
so the words or numbers are read from left to right.
so that the format, color, and message can only be seen by the driver.
less than 3 inches away from any other markings.
3. When you use your mirrors while driving on the road, you should:
avoid checking them regularly.
check them quickly.
only use the driver's side mirror.
stare for a long time at the mirror.
4. You must have at least 4/32 inch tread depth in every major groove on front tires and at least ___ inch on other tires.
5. When approaching a vehicle with a distracted driver, you should:
quickly pass the vehicle.
change lanes quickly.
maintain your safe following distance.
sound your horn.
6. When driving at night you should:
keep the interior light on.
always use low beams.
use your high beams when it is safe and legal to do so.
All of the above.
7. What is the most important reason to inspect your vehicle?
Saving money by preventing costly repairs.
Achieving the best gas mileage.
Your safety and that of other road users.
Vehicle inspection is required by federal and state laws.
8. If the "Hazard Class" or "Division" column of the Hazardous Material Table contains the word "Forbidden", you should:
transport the "Forbidden" material at night.
never transport the "Forbidden" material.
be aware that the load may require a police escort.
None of the above.
9. Before unloading explosive materials, you should:
turn your engine off.
use hooks or other metal tools if possible.
connect heater power sources.
keep the engine running.
10. With brake drums, if brakes become too hot:
the air compressor will kick on to cool the brakes.
the brakes may stop working.
the brakes will supply too much power to the drive wheels.
your ABS will malfunction.
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NH CDL Hazmat Test

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