FREE CDL Combination Vehicles Practice Test Online | South Dakota 2024 Page 2 of 3
Train for FREE online with our South Dakota CDL combination vehicle 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 combination license in 2021, 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 DMV requirements for issuing a combination license may vary from state to state.
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8 . The trailer hand valve:
Never use the trailer hand valve while parking because doing so may release the air pressure from the braking system, releasing the brakes that are holding the vehicle in place. Instead, use the parking brake or wheel chocks.
9 . An Anti-Lock Braking System (ABS):
Assists with the operation of brake lights.
The function of an Anti-Lock Braking System (ABS) is to prevent a vehicle's wheels from locking up during hard braking.
10 . An air supply control in its "emergency" position will:
Accelerate the vehicle.
Tractor protection controls in older vehicles may be operated by levers instead of knobs. If an air supply control is set in its "emergency" position, the air supply will be stopped and the trailer emergency brakes will be applied.
11 . If you use the trailer hand brake while your trailer is skidding, it will:
If you are experiencing a trailer jackknife, you can help your tires regain traction by releasing the brakes. Using a trailer hand brake while experiencing a skid will only cause the skid to continue.
12 . If you are backing and become unsure about your path of travel, you should:
If you are unsure of your path while you are driving in reverse, you should stop, exit the vehicle, and recheck your path of travel.
13 . Push in the trailer air supply control to:
Supply the trailer with air.
Push in the trailer air supply control to supply the trailer with air. Pull out the trailer air supply control to turn off the air supply and activate the emergency brakes.
14 . If your trailer begins to drift off course while you are backing, you should:
Return the steering wheel to the 12 o’clock position.
If your trailer begins to drift while you are backing, you should correct the drift immediately by turning the top of the steering wheel in the direction of the drift.
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.