Class B Driving Test | South Dakota 2024 #2

Train for FREE online with our South Dakota class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a SD CDL class B permit in 2024, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

1 . ____ is a thin layer of ice that forms on road surfaces.

White ice

Black ice

Soft ice

Sharp ice

Black ice is a thin layer of ice that is clear enough for the road surface to be seen through it. A road covered in black ice may look like it is merely wet. You should be very careful when temperatures are below freezing and the road looks wet.

2 . A Class 1 hazardous material is:

An explosive.

Solid.

Corrosive.

Explosives are placed in hazardous materials Class 1.

3 . Most heavy vehicles require ____ to change gears.

Double clutching

Double shifting

Triple clutching

Triple shifting

Most heavy vehicles with manual transmissions require double clutching to change gears. A driver should release the accelerator, push in the clutch, and shift into neutral at the same time. After releasing the clutch and allowing the vehicle to change to the necessary speed, the driver should push in the clutch, shift gears, then simultaneously release the clutch and accelerate.

4 . How many daily hours of sleep does an adult need to maintain alertness?

Six to seven

Seven to eight

Eight to nine

Four to five

Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.

5 . Over-length loads require:

Special permits.

Roads to be closed to other traffic.

A person to walk alongside the vehicle.

Over-length, over-width, and/or overweight loads may require special permits from the Department of Transportation.

6 . Without oil in its engine:

A vehicle will likely run smoothly.

A vehicle will make quick jerks while driving.

A vehicle's engine may be damaged quickly.

A vehicle's gas mileage will improve.

An engine can be rapidly destroyed if it is run without oil. If its oil pressure gauge is low or fluctuating, do not operate a vehicle.

7 . What can happen if a parking brake is used in very wet weather when temperatures are below freezing?

The brakes will squeak.

The brakes may freeze so the vehicle cannot move.

The brakes may suddenly release by themselves.

The brakes may explode.

If you use the parking brakes when the weather is very wet and the temperature is below freezing, the brakes may become frozen, preventing the vehicle from moving.

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2024 South Dakota | Frequently Asked Questions

A CDL Class A license in South Dakota is defined as a commercial driver's license that permits the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the GVWR of the vehicle(s) being towed exceeds 10,000 pounds. It's typically used for semi-trucks and tractor-trailers.

In South Dakota, a Class A CDL license allows you to operate a range of commercial vehicles. These include tractor-trailers, truck and trailer combinations, flatbeds, livestock carriers, and tank vehicles. It also allows the operation of all vehicles under Classes B and C, provided you have the appropriate endorsements.

To obtain a Class A CDL license in South Dakota, applicants must be at least 18 years old (21 for interstate driving), possess a valid South Dakota driver's license, pass a vision test, and successfully complete a knowledge test and skills test. They must also submit a Medical Examiner's Certificate and pass a background check if hauling hazardous materials.

In South Dakota, to qualify for a Class A CDL license, you must be at least 21 years old for interstate driving. However, if you plan to drive only within South Dakota (intrastate driving), you can apply for a Class A CDL license at 18 years old.

While a Class A CDL license in South Dakota allows you to operate a variety of vehicles, specific endorsements may be required for certain types. For example, a tanker endorsement is needed to haul liquid loads, a hazmat endorsement is required for transporting hazardous materials, and a doubles/triples endorsement is necessary for towing double or triple trailers.

The Class A CDL skills test in South Dakota encompasses three parts: a pre-trip inspection to ensure the vehicle is safe to drive, a basic controls test to assess your ability to control the vehicle, and a road test to evaluate your on-road driving skills under various traffic conditions and maneuvers. It's important to pass all three parts.

Yes, there are limitations. Class A CDL license holders in South Dakota are restricted by the federal hours of service regulations, which limit driving time to prevent fatigue. Additionally, they must comply with weight limits and may need specific endorsements for certain types of vehicles or cargo. Also, CDL holders are held to stricter DUI standards compared to regular drivers.

Yes, it is possible. In South Dakota, the written Class A CDL test is available in multiple languages, including Spanish. However, the Federal Motor Carrier Safety Administration requires all commercial drivers to read and speak English sufficiently to converse with the general public, understand traffic signs and signals, respond to official inquiries, and make entries on reports and records.

Yes, you can request accommodations for the Class A CDL written test if you have a disability. South Dakota's Department of Public Safety complies with the Americans with Disabilities Act (ADA), providing reasonable accommodations such as accessible testing locations, additional time, or alternative test formats. However, you must provide appropriate documentation of your disability when making your request.

Yes, if you don't pass the Class A CDL written test in South Dakota, you can retake it. However, you must wait at least one day before retesting. There may be additional retest fees, and if you fail the test multiple times, additional restrictions or requirements may be imposed. Always review the manual and consider a prep course before retesting.