Combination Vehicles Practice Test | South Dakota 2024 #2

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 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 DMV requirements for issuing a combination license may vary from state to state.

Number of Question 20

Passing Score 16

Number of Tests 20

1 . An Anti-Lock Braking System (ABS):

Allows wheels to lock up.

Prevents wheels from locking up.

Makes it easier to turn a large vehicle.

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.

2 . When driving with trailers, you should:

Make quick, sudden changes.

Avoid making sudden moves.

Accelerate by pushing the accelerator to the floor.

To reduce the risk of tipping over when driving with a trailer, you should steer gently and smoothly. Avoid making sudden movements.

3 . When driving a tractor-trailer equipped with ABS, you should:

Stop harder than you would otherwise.

Use extra braking force to ensure the ABS kicks in.

Brake as you normally would.

Brake using less pressure than you would otherwise use.

When driving a tractor-trailer combination equipped with an Anti-Lock Braking System (ABS), you should brake in the same manner that you would in a vehicle without ABS.

4 . If you are backing and become unsure about your path of travel, you should:

Continue backing.

Stop and get out to look.

Continue backing, but more slowly than before.

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.

5 . Combination vehicles:

Often have taller trailers than single commercial vehicles.

Are usually lighter than single commercial vehicles.

Require more skill to drive than single commercial vehicles.

Driving combination vehicles requires more skill than driving single commercial vehicles. Combinations are generally longer, generally heavier, and are more vulnerable to rollover.

6 . If you need to back your trailer but cannot back up in a straight path, you should:

Back toward the passenger's side.

Back toward the driver's side.

Swerve back and forth while backing.

Always turn to your right.

If you need to back your trailer but cannot back up in a straight path, you should back on a curved path toward the driver's side of the vehicle. This will permit you the best possible visibility while backing.

7 . If color-coded, which color is used to identify service lines?

White

Yellow

Blue

Air lines are sometimes color-coded to help drivers avoid mistakes when coupling glad hands. Typically, blue is used for service lines and red is used for emergency lines.

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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.