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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 Tennessee CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The TN tanker test covers the following sections of the Tennessee CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this TN tanker practice test now to prepare for the actual test!
1. When you pull off the road and stop, you should:
flash your brake lights.
use your high beams.
turn on the 4-way emergency flashers.
use the taillights.
2. Road surfaces where water collects can create conditions that cause a vehicle to hydroplane. Which of the following is an indication of standing water?
Tire splashes
Clear reflections
Raindrops on the road
All of the above.
3. Which of the following statements about stopping distance and speed is true?
The lighter the vehicle, the more work the brakes must do to stop it.
Wet roads can double stopping distance.
Fully loaded trucks require greater stopping distances.
All of the above.
4. If your truck has automatic transmission, you should downshift:
when going down grades.
whenever road conditions allow.
after entering a curve.
when you need to accelerate.
5. To keep your vehicle from rolling back when you start, you should:
partly engage the clutch before you take your foot off the brake.
pump the brakes.
apply the emergency brake whenever necessary.
turn the engine off before you take your foot off the brake.
6. When driving, you should check mirrors regularly to know where other vehicles are around you. Remember that:
there are blind spots that your mirrors cannot show you.
convex mirrors make things look larger and closer than they really are.
you should check your after the start of any trip to make sure they are properly adjusted.
every registered motor vehicle must have at least one mirror.
7. To know if your vehicle is equipped with ABS, look for:
the ABS shipping paper.
a yellow ABS malfunction lamps on the instrument panel.
an ABS placard.
the ABS logo on the steering wheel.
8. How does liquid surge affect the handling of a tank vehicle?
It tends to push the truck in the direction the wave is moving.
It's very important for safe handling.
It makes the road slippery.
It makes it easier to slow down to a safe speed.
9. While you are driving a tanker, the front wheels begin to skid. Which of these is most likely to occur?
Excessive heat will cause chemical changes in the brake lining, which reduce friction.
You will keep moving forward no matter how you steer.
Your tires will fail soon.
The truck will roll over.
10. You or your employer must call the National Response Center when any of the following occur as a direct result of a HazMat incident, EXCEPT:
an injured person requires hospitalization.
spillage occurs.
a person is killed.
black ice makes the road look wet.
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TN CDL Tanker Test

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