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South Dakota CDL Permit Test - Tank

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. Each question has three or four possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the South Dakota Commercial Driver 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

When checking your tires, which of the following is not an issue to correct?

Too much air pressure
Too little air pressure
Radial and bias-ply tires used together
Tread depth of at least 4/32 of an inch on the front tires

On low bridges:

Height warnings must always be posted.
Height warnings must be posted at least twice.
Height warnings may be posted, but do not have to be.

How often do hazardous materials employees need to be trained?

At least once a week
At least once every three years
At least one every 10 years

Cargo inside a trailer:

Does not need to be secured.
Should be stacked no more than three feet high.
Should be secured to prevent movement.

If driving so slowly that you could impede other drivers, you should:

Drive in the left lane.
Drive while using your four-way flashers.
Drive without using any lights.

Texting while operating a CMV is:

Acceptable on rural roads.
Acceptable for drivers contacting their employers.

If a speed limit is posted, the posted speed:

Should never be exceeded.
May be exceeded if passing another vehicle.
May be exceeded if driving in a rural area.
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