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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

You may be an aggressive driver if you:

Expect delays on your drive.
Slow down and maintain a reasonable following distance.
Make hand gestures that could anger other drivers.

An Anti-Lock Braking System (ABS):

Is not available for most trucks.
Is not helpful in most situations.
Is required on newer trucks.

If an Anti-Lock Braking System (ABS) is equipped on a trailer but not on a tractor:

The truck should not be driven because ABS needs to be on both the tractor and trailer.
The truck should be driven more slowly than usual.
The tractor should not be used and a new tractor with ABS should be located.
The tractor and trailer can still be used together.

The service air line is attached to the:

Relay valves.
Supply line.
Emergency air line.
Steering wheel.

If transporting a package that contains radioactive materials, it is important to know that:

Radiation will pass through to other packages.
The packages should be carried in the cab.
The packages should be loaded on their side.
You cannot use bridges.

If planning to change lanes, your mirrors should:

Not be checked.
Be checked as usual.
Be checked more often than usual.

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
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