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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
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1.
Which of the following is a situation in which you may not need to slow down and be extra careful?
When approaching a work zone
When using a roadway with a drop off
When traveling in normal traffic
Where there is increased traffic
2.
When checking windshield wiper blades, they should be:
Soft.
Secure.
Brittle.
3.
On slippery roads, you should:
Accelerate and slow down frequently.
Adjust your driving to match weather conditions.
Tailgate other vehicles.
4.
Hydroplaning usually occurs:
When tires are properly inflated.
At speeds under 15 mph.
In areas where water collects on the road.
During the evening.
5.
If your brakes fail on a downgrade, your best hope to stop is to:
Use an escape ramp.
Use the shoulder.
Drift to a stop.
6.
When checking tires, finding which of the following is not a cause for concern?
Too much air pressure
Too little air pressure
Radial and bias-ply tires used together
Tread of at least 2/32 an inch on rear tires
7.
When backing with a trailer, turning toward the driver’s side is encouraged:
Because it allows the driver a better view.
Because turning toward the passenger side is illegal.
Because other drivers can offer assistance.
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