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Ohio CDL Permit Test - Tank

(From the 2021 Ohio CDL driver handbook)
Number of questions: 20
Passing score: 16
Directions: This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or chassis. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Ohio Commercial Driver’s License Manual. Questions come from chapters covering: Driving Safely, Tank Vehicles, Hazardous Materials and Combination Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.
You have made error so far
Passing grade —
4 or fewer errors

In an empty combination vehicle, the stiff suspension springs and strong brakes will have:

High traction.
Low traction.
No traction.

In low temperatures, bridges usually freeze:

After other parts of the roadway.
Before other parts of the roadway.
At the same time as other parts of the roadway.

In cool weather, as the temperature begins to rise and ice begins to melt:

It is usually safe to drive.
The road will become even more slippery.
Traction will increase.

How often are hazardous materials employees required to be trained and tested?

Once every year
Once every three years
Once every five years

If you must cross traffic while driving a combination vehicle, you should:

Assume other drivers will make room for your vehicle.
Wait for a gap large enough for your vehicle to safely cross.
Rely only on your mirrors.

If a tank is found to be leaking, the driver should:

Drive with their emergency flashers activated.
Get the leak fixed immediately.
Continue the trip and then inform someone about the leak.

If a vehicle is carrying hazardous cargo, placards must be placed:

Only on the front of the vehicle.
On the front, rear, and sides of the vehicle.
Only on the driver’s side of the vehicle.
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