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After 50 miles
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After 100 miles
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After 250 miles
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South Dakota CDL Permit Test - Knowledge Test Class A
(From the 2020 South Dakota CDL driver handbook)
| Number of questions: | 50 |
| Passing score: | 40 |
Directions:
This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three or four possible answer choices. Test questions come from the South Dakota Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination, Doubles and Hazardous Materials. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
Passing grade —
10 or fewer errors
advertising
1.
How soon after starting a trip must cargo securement be checked?
2.
Regrooved tires:
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Should not be used on any vehicle.
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Should not be used on the front of a bus.
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Should not be used on trucks hauling gravel.
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3.
A wig wag is:
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A low pressure warning device.
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A tube that carries air to the brakes.
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A type of air brake system.
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4.
Skids caused by over-acceleration can usually be resolved by:
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Removing your foot from the accelerator.
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Braking.
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Swerving to the right.
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5.
When entering a foggy area, you should:
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Stop on the side of the roadway.
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Pass other vehicles.
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Slow down.
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Use your high beam headlights.
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6.
To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:
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Set the control to normal.
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Set the control to the off position.
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Set the control to the neutral position.
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7.
When driving, you should stop and take a break ____ to avoid becoming too tired.
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Every half hour
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Every hour
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Every two hours
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Every six hours
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