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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. Identification numbers are a 4 digit code used to identify hazardous materials. The identification number is preceded by the letters "NA" or "UN". The letters "NA" are associated with proper shipping names that are only used:
within the United States and North Africa.
within the United States and to and from Canada.
within the national borders.
2. If the hazardous materials are not properly prepared, a carrier should:
write a report.
add a note to the shipping paper.
accept the shipment.
refuse the shipment.
3. To avoid a hazard:
steering away from what is ahead may be the best thing to do.
driving on the shoulder of the road is always the best thing to do.
changing lanes is always the best thing to do.
stopping is always the best thing to do.
4. If one of your tires is leaking, you should:
drive at reduced speed and stop to check the tire every 15 miles.
report it to your carrier before your trip.
speed up to increase traction.
not drive except to the nearest safe place to fix it.
5. The hazardous materials identification number must appear on the shipping paper, on the package and:
on the steering wheel.
on the back of the truck.
on the license plate.
on cargo tanks and other bulk packaging.
6. To transport hazardous materials, drivers need:
a CDL license with a tank endorsement.
a CDL license only.
a license to operate their personal vehicle.
a CDL license with hazardous material endorsement.
7. If you have convex mirrors, be aware that:
everything appears smaller in a convex mirror than it would if you were looking at it directly.
in a convex mirror objects appears larger than they really are.
objects may appear to be faster than they really are.
objects seem closer than they really are.
8. A material’s hazard class reflects:
the emergency response information related to the material.
the risks associated with the material.
the type of packaging required to transport the material.
the methods for handling spills or leaks in the absence of fires.
9. If radioactive material is involved in a leak or broken package:
do not use the vehicle until it is cleaned.
do not touch the leaking package and drive to the nearest service station.
immediately contact the fire department.
clean the vehicle without touching the radioactive material.
10. While crossing railroad tracks, you should:
not shift gears.
stop, then look and listen for the train.
shift down.
shift up.
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NH CDL Hazmat Test

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