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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 Mexico CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The NM tanker test covers the following sections of the New Mexico CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this NM tanker practice test now to prepare for the actual test!
1. The tire load for each tire is stated:
on the side of the tire.
on the inside of the tire.
on the tread of the tire.
2. When driving trucks with trailers, drivers should:
avoid making sudden movements with the steering wheel.
make quick lane changes.
push the brake pedal to the floor when braking.
3. Too little weight on the driving axles can cause:
mechanical damage.
longer stopping distances.
poor traction.
4. To control liquid surge, when stopping you should:
not keep a steady pressure on the brakes.
not release the brakes too soon.
not brake far in advance of a stop.
5. If your truck has automatic transmission, you should downshift:
after entering a curve.
whenever road conditions allow.
when going down grades.
6. While crossing railroad tracks, you should:
shift down.
shift up.
not shift gears.
7. When loading and unloading the smaller tanks of a cargo tank equipped with bulkheads, you must pay attention to:
weight distribution.
smooth bore tanks.
water distribution.
8. You should be especially alert for drunk drivers:
in the morning.
late at night.
around shopping areas.
9. Emergency equipment is:
only required when transporting hazardous materials.
10. When backing a trailer, you should turn the steering wheel to the right to make the trailer go left (or vice versa). Once the trailer starts to turn, you should:
turn the wheel moreĀ  in the direction you want to go.
keep backing up.
turn the wheel the other way to follow the trailer.
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NM CDL Tanker Test

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