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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. The amount of liquid to load into a tank depends on:
the amount the liquid will expand in transit.
the weight of the liquid.
legal weight limits.
All of the above.
2. The parking brake:
should be used when driving in bad weather.
should be used when you need to apply the brakes firmly.
should be used whenever you park.
All of the above.
3. On a tractor-trailer equipped with a trailer brake hand valve, the hand valve can be used to:
prevent movement of cargo.
hold compressed air.
keep from rolling back.
reduce the chance of the front wheels skidding.
4. Move-over laws require drivers to _________ when approaching an emergency vehicle stopped on the roadside or a work zone.
slow down and change lanes
change direction
sound their horn
5. A high center of gravity:
means you'll have better traction.
helps the vehicle be more stable while turning.
means your vehicle is more likely to tip over.
is less dangerous in curves.
6. Front-end header boards:
reduce traction.
should never be used.
protect drivers from spilled cargo.
protect drivers from cargo in case of an accident or emergency stop.
7. Hazardous materials include all of the following except:
8. If a shipping paper describes both hazardous and non-hazardous products, the hazardous materials must be:
in the same color as the non-hazardous materials.
listed in yellow ink.
highlighted in a contrasting color.
listed at the bottom.
9. Your vehicle has air brakes. To stop, you should:
push the brake pedal down.
pull the parking brake control knob out.
release the accelerator, push in the clutch, and shift to Neutral at the same time.
pump the brake pedal 3 times.
10. A high center of gravity is most dangerous:
in curves.
when the tank is empty.
in construction zones.
when driving below the speed limit.
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TN Tanker Test

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