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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. If you are driving a 40-foot vehicle at 35 mph, you should leave at least _____ between you and the vehicle ahead.
4 seconds
5 seconds
6 seconds
3 seconds
2. Hazardous materials may be transported:
by any driver with a Certification of Driving Experience.
by a CDL holder with a HazMat endorsement.
by any driver with a CDL license.
by a CDL holder with a tank vehicles endorsement.
3. If you are at the scene of an incident involving hazardous materials, you should:
keep people far away and upwind.
avoid warn others of the danger as this could caus a panic attack.
write description of the scene on the shipping paper.
All of the above.
4. The only acceptable way to check tire pressure is to:
use a tire pressure gauge.
push on the tire to feel the pressure.
check the minimum tread depth.
None of the above.
5. The posted speed limit:
should only be exceeded when passing other vehicles.
should never be exceeded.
is only a suggestion.
may only be exceeded when driving in rural areas.
6. Move-over laws require drivers to _________ when approaching an emergency vehicle stopped on the roadside or a work zone.
change direction
sound their horn
slow down and change lanes
7. The hazardous material ID number must appear:
on the back of the truck.
on the steering wheel.
on the shipping papers and on the package.
on the package and on paperwork at the shipping destination.
8. Passive railroad crossings:
should never be crossed using a CMV.
do not have traffic control devices.
usually have a person directing traffic.
have at least one traffic control device.
9. After starting the engine, the ABS light stays on. This means:
the ABS oil level is not adequate.
the ABS is not working properly.
the ABS is in Neutral.
the ABS is working properly.
10. If the drive wheels start to skid:
push in the clutch to let them turn freely.
accelerate slightly to regain control.
use the brakes to slow down.
All of the above.
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Hazmat CDL Test (NH)

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