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

Wet brakes can cause _____.

2 / 40

What is a common cause of tire fires?

3 / 40

Remember to_____to prevent rollovers.

4 / 40

It is good practice to_____when uncoupling.

5 / 40

What should the driver pay special attention to when driving smaller tanks?

6 / 40

If you have to swerve to avoid a hazard, it's important to:

7 / 40

What should you do if the low air pressure warning comes on for only one system in a truck or bus that has a dual air brake system?

8 / 40

Select the statement that best describes what the trailer air supply control does:

9 / 40

What should you hear when you test the trailer brakes by opening the service air line at rear of trailer with the hand valve on?

10 / 40

What is the value of the overhead rear-view mirror inside of the bus?

11 / 40

The method used to make sure the spring brakes will come on automatically is to:

12 / 40

How should the shut off valves at the rear of the trailer be when inspecting doubles?

13 / 40

Who is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?

14 / 40

A baffled tanker has:

15 / 40

This object is required to be checked for damage, that it's secure, and strong enough to handle any cargo.

16 / 40

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

17 / 40

How do you make sure the air lines are not crossed and the trailer brakes are working after supplying air to the trailer?

18 / 40

Select the statement that is true in regards to what is required of a driver with a double or triple trailers:

19 / 40

The gauge that indicates normal or increasing lubrication pressure to prevent engine seizure, failure or breakdown is:

20 / 40

Which trailer is more likely to roll over when pulling 3 trailers?

21 / 40

Select the true statement about dual air brake systems.

22 / 40

To maintain alertness during the trip, drivers should:

23 / 40

Select the statement that is not part of the air-brake system:

24 / 40

Tires should should be replaced:

25 / 40

Select the true statement about emergency steering and tankers:

26 / 40

Which of the following is NOT an appropriate reason to flash your braking lights?

27 / 40

Do empty trucks have the best braking?

28 / 40

When should you avoid using the parking brake?

29 / 40

What should you check for when inspecting a converter dolly?

30 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

31 / 40

What are you checking when looking at the lubrication level on a dipstick?

32 / 40

Select the best description of a baffle tank:

33 / 40

Some hazardous materials may not be loaded together with other hazardous materials. The prohibited combinations are listed in the:

34 / 40

Is it important to look into the back of the fifth wheel to see if the lockpin is locked in?

35 / 40

Which two special conditions indicate that you should downshift?

36 / 40

Animals and human foodstuffs should not be loaded in the same vehicle with?

37 / 40

Which of the following statements about overhead space is true?

38 / 40

You should decrease to a safe speed before entering a curve and then_____through it.

39 / 40

On a drawbridge, you do not need to stop, but must slow down and make sure it's safe, when:

40 / 40

What do yo need to do before supplying air to the air tanks of the second trailer?

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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.