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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 Ohio CDL tank vehicles test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The OH tanker test covers the following sections of the Ohio CDL Manual: Driving Safely, Combination Vehicles, Tank Vehicles, Hazardous Materials. Take this OH tanker practice test now to prepare for the actual test!
1. 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.
you should check your after the start of any trip to make sure they are properly adjusted.
convex mirrors make things look larger and closer than they really are.
2. Your mirrors should be adjusted so that:
a part of the vehicle is visible in the mirror.
no part of the vehicle is visible in the mirror.
the rear of the vehicle is visible in the mirror.
3. ________ is responsible for identifying the hazard class of the material when shipping.
The shipper
The driver
The motor carrier
4. How can drivers help control surge?
By braking far in advance of a stop.
By releasing the brakes soon when coming to a stop.
By decreasing following distance.
5. The height of a vehicle's center of gravity is important for safe handling. Why?
Trucks with a high center of gravity have better traction.
Trucks with a high center of gravity can roll over at the posted speed limit for a curve.
A high center of gravity means you are less likely to tip over.
6. If your truck has automatic transmission, you should downshift:
whenever road conditions allow.
when going down grades.
after entering a curve.
7. When stopping with a tanker, you must be aware that:
a fully loaded vehicle requires a greater stopping distance because it has less traction.
the amount of liquid in the tank has no influence on the stopping distance.
a fully loaded vehicle takes less room to stop than an empty vehicle.
8. What is Gross Vehicle Weight?
The total weight of the cargo
The total weight of a single vehicle, including its load
The total weight of a single vehicle, excluding its load
9. Skids caused by acceleration can usually be stopped by:
applying the brakes firmly.
taking the foot off the accelerator.
coming to a complete stop.
10. Exhaust system parts should NOT:
rub against tires.
rub against fuel system parts.
All of the above.
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OH CDL Tanker Test

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