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.

Every half hour
Every hour
Every two hours
Every six hours

Stop on the side of the roadway.
Pass other vehicles.
Slow down.
Use your high beam headlights.

South Dakota CDL Permit Test - Knowledge Test Class A

How soon after starting a trip must cargo securement be checked?

A wig wag is:

When driving, you should stop and take a break ____ to avoid becoming too tired.

Skids caused by over-acceleration can usually be resolved by:

When entering a foggy area, you should:

To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:

Regrooved tires:

Number of questions:	50
Passing score:	40

After 50 miles
After 100 miles
After 250 miles

A low pressure warning device.
A tube that carries air to the brakes.
A type of air brake system.

Removing your foot from the accelerator.
Braking.
Swerving to the right.