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The tanker endorsement applies to drivers who wish to drive a tank in Class A, B, or C CDL. To add this endorsement to your CLP/CDL, you must pass a knowledge test on the problems posed by large volume liquid cargos. The New Hampshire CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The NH tanker test covers the following sections of the New Hampshire CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this NH tanker practice test now to prepare for the actual test!
1. If a trailer does not have spring brakes, to keep the trailer from moving you should:
park on a slight decline.
close the brake valve.
use wheel chocks.
use the service brakes.
2. During freezing weather, which area is most likely to be slippery after it rains?
Shaded areas.
Roads that look wet.
All of the above.
3. When driving a tanker, liquid surge:
is never dangerous.
should not  be a concern.
can have bad effects on handling.
results from movement of the liquid in full tanks.
4. Before driving a tanker, the driver should:
make sure that the tank is empty.
change tires.
inspect the vehicle.
All of the above.
5. When driving, you should check mirrors regularly to know where other vehicles are around you. Remember that:
convex mirrors make things look larger and closer than they really are.
every registered motor vehicle must have at least one mirror.
you should check your after the start of any trip to make sure they are properly adjusted.
there are blind spots that your mirrors cannot show you.
6. How does liquid surge affect the handling of a tank vehicle?
It's very important for safe handling.
It tends to push the truck in the direction the wave is moving.
It makes the road slippery.
It makes it easier to slow down to a safe speed.
7. A person attending a placarded parked vehicle:
must be in the vehicle, awake, or within 100 feet of the vehicle, and have the vehicle within clear view.
must know what to do in emergencies.
must be able to move the vehicle, if needed.
All of the above.
8. Texting while operating a commercial motor vehicle is:
only allowed at night.
acceptable if you are contacting your supervisor.
acceptable if you are contacting your dispacther.
9. When confronted by an aggressive driver, you should:
make every attempt to get out of their way.
call the police, if you have a cell phone and can do it safely.
avoid eye contact.
All of the above.
10. Placards must be:
turned upright on a point.
in a diamond shape.
readable from all 4 directions.
All of the above.
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NH CDL Tanker Endorsement

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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