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

Which of the following types of cargo can never be carrier on a bus with riders?

2 / 40

Select when you should use the parking brake:

3 / 40

Buses may NOT have recapped or regrooved tires:

4 / 40

Do converter dollies have spring brakes?

5 / 40

Select the true statement about tractor protection valve:

6 / 40

While completing the 1st component of the air brake check you are required to fully push down on the foot brake and _____.

7 / 40

The most important hand signal you should agree on with a helper is:

8 / 40

Spring brakes are usually held back by_____during normal driving.

9 / 40

Buses may carry small-arms ammunition labeled ORM-D, emergency hospital supplies, and drugs. However, buses must never carry:

10 / 40

The driver's manual advises you to disconnect the steering axle brake to keep the rig straight:

11 / 40

This object should not have any missing parts, be fully raised, the crank handle is secured, and that there is no damage to the frame.

12 / 40

Select the purpose of fanning air brakes:

13 / 40

You should check that the _____are secure, caps are on tight, and is not leaking.

14 / 40

The air leakage rate for a combination vehicle should not exceed ____psi a minute.

15 / 40

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

16 / 40

This component should be checked that it is solid, securely bolted to the tracture frame, and clear of objects.

17 / 40

Drivers who transport route controlled radioactive materials must carry a dated certificate of radioactive materials training. This training must have ocurred within the last:

18 / 40

It is important for driving safety to always be looking ahead. Which of the following is NOT a recommended time/distance that you should be looking ahead?

19 / 40

At what "cut out" level does the governor stop pumping air?

20 / 40

Urban mass transit coaches may have a brake and accelerator interlock system. Which of the following statements is true?

21 / 40

Select the action that is not appropriate when driving on slippery roads:

22 / 40

What product is typically carried in a liquid tank trailer without baffles?

23 / 40

Why should you cover cargo?

24 / 40

Overhead inside mirror is used to:

25 / 40

"Outages" is the word to describe the amount of space required for liquids to expand in as they warm.

26 / 40

Some school busses are marked with the LNG placard. What does LNG stand for?

27 / 40

What is the best way to figure out how many seconds of following distance you have?

28 / 40

Which of the following statements is FALSE:

29 / 40

How do you check the coolant level?

30 / 40

Select the statement that describes how you could damage the landing gear.

31 / 40

Start by___when coupling.

32 / 40

Some city transit buses may have a brake-door interlock system, this system:

33 / 40

You should____in order to inspect the coupling.

34 / 40

Select the part that is not a part of the drum brake:

35 / 40

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

36 / 40

When using turn signals, which of the following should be avoided?

37 / 40

____is the most common type of foundation brakes used by heavy vehicles.

38 / 40

Which of the following would NOT be part of a standard vehicle inspection?

39 / 40

A tractor should not be backed under a trailer until the whole air system is:

40 / 40

Which of the following about the front tires on a commercial bus is true?

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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.