south dakota
CDL Practice Test

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This is a practice test site for the CDL test in South Dakota. Use this site as a resource as you prepare to take your SD CDL test. You can take these practice tests and go through these questions as many times as you like, and the site is free to use. Questions on these practice tests cover areas such as driving weight requirements and passenger restrictions as covered in the South Dakota CDL Manual. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50-minute time limit. You may not go back once you answer a question. Click the "Start Test" button below to begin.

1 / 40

What is a common cause of tire fires?

2 / 40

Which of these statements about signaling is correct?

3 / 40

A commercial motor vehicle (CMV) is defined as:

4 / 40

If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?

5 / 40

What does the drain valve for air tanks remove?

6 / 40

This object should not be spliced, cut, chafed, or worn through to allow steel braid to show.

7 / 40

You should check____when loading the small tanks of a cargo tank with bulkheads.

8 / 40

When this item is missing or loose, movement may occur between the fifth wheel assembly and the frame.

9 / 40

You should____to check the free play of manual slack adjusters on S-Cam brakes.

10 / 40

You should check your mirrors while making a lane change:

11 / 40

The correct trailer height when coupling the rear trailer is:

12 / 40

What is the minimum amount of distance you should maintain when driving at 50 mph in ideal conditions with a 100 ft twin trailer combination?

13 / 40

You should turn off your engine when loading flammable liquid unless:

14 / 40

Which of the following statements about special danger of loading and unloading is true?

15 / 40

If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?

16 / 40

How often should air tanks be drained?

17 / 40

You downshift automatic transmissions ______.

18 / 40

Carry-on baggage cannot be stored:

19 / 40

Which of the following statements about "Radioactive" labels is true?

20 / 40

The crack-the-whip effect is more likely to cause the front trailer to tip over.

21 / 40

One reason hauling liquids in tank vehciles require special care is:

22 / 40

Surge affects the handling of a tanker by:

23 / 40

Under which two special conditions should you downshift?

24 / 40

Select the true statement about emergency steering and tankers:

25 / 40

You need to raise the landing gear just to the height of where it clears the pavement before driving.

26 / 40

Select the true statement about convex ("spot") mirrors.

27 / 40

You do not have a hazardous materials endorsement on your commercial driver license. When can you legally haul hazardous materials?

28 / 40

Select the item that is not checked in the engine compartment:

29 / 40

When driving a combination vehicle, the trailer breaks away severing the air lines. The trailer brakes should come on and ____.

30 / 40

A vehicle placarded for Division 1.1, 1.2, or 1.3 explosives:

31 / 40

The best way to test if the spring brakes come on automatically is to:

32 / 40

How many seats may be placed in the aisle if the bus is a charter and is carrying agricultural (farm) workers?

33 / 40

To avoid rollover when going through a curve, the best thing to do is:

34 / 40

Select the false statement about tractor protection valves.

35 / 40

Select the true statement in regards to large combination vehicles taking longer to stop.

36 / 40

How do you determine if slack adjusters need to be adjusted?

37 / 40

The best way to have control on curves is:

38 / 40

What is the next step after securing the bus when you have an unruly child on board?

39 / 40

The basic description of a hazardous material includes the hazard class, the identification number, and the proper shipping name. Which one must appear first on the shipping paper?

40 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

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CDL Category Practice Tests

CDL Practice Test

How To Get A south dakota Commercial Drivers License

To be eligible for a CDL in South Dakota, applicants must meet the following age eligibility requirements.

  • Be at least 18 years old to operate a commercial vehicle intrastate (within South Dakota only).
  • Be at least 21 years old to operate a commercial vehicle interstate (outside of South Dakota).

South Dakota CDL applicants must be medically certified that they are healthy enough to operate a commercial vehicle and pass a vision test. Applicants are required to submit the following documents.

  • (REV 2015) Medical Self-Certification Statement
  • (Form MCSA-5876) Medical Examiner’s Certificate (This document must be completed by an FMCSA-approved physician.)

Interstate non-excepted (drivers who do not work for the state or federal governments) must meet federal DOT requirements. Intrastate non-excepted drivers must meet the state requirements. Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in South Dakota. Applicants can be disqualified for having multiple licenses.

South Dakota CDL Endorsements

  • H – Hazmat Vehicles
  • N – Tank Vehicles
  • P – Passenger Vehicles
  • S – School Bus
  • T – Double or Triple Trailer
  • X – Combination Tank Vehicles and Hazmat Vehicles

Hit the Open Road

south dakota CDL License Test Tips

All South Dakota CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the South Dakota test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The South Dakota skills test can be taken 14 days after applicants pass the knowledge test. It includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section.

Military veterans and current military members can apply to have the skills exam waived if they meet the requirements. To qualify for a waiver, applicants must:

  • Be a South Dakota resident with a valid state driver’s license.
  • Be currently enlisted in the military.
  • Operate a commercial vehicle as part of their military duties for at least 2 years prior to submitting the CDL application. If applicants are in the military reserves or a veteran of the reserves, the vehicle operation requirement is 4 years.
  • Have been honorably discharged from the military within the past 12 months.
  • Submit (Form CDL-SK TST WVR) Application for Military Skills Test Waiver. The commanding officer must sign this document.

Additional Information

Information on the South Dakota Department of Public Safety

The South Dakota Division of Public Safety administers CDL license requirements in South Dakota. To get more information contact them via:

Website: https://dps.sd.gov/driver-licensing/commercial-drivers-license

Phone:  605.773.6883

 

Additional South Dakota CDL Helpful Links

Please use the links below to access South Dakota CDL testing resources and to learn more about practice driving tests for the state of South Dakota.