south carolina
CDL Practice Test

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This is a site to help you prepare to take the CDL permit test in South Carolina. You can take these practice test questions as many times as you like, and the site is free to use. The questions on this practice test cover rules from the SC 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

This object is not checked at the rear of the trailer.

2 / 40

Which of the following statements about overhead space is true?

3 / 40

A minimum tread depth of 2/32 inch is required for:

4 / 40

Select the true statement about stop valves in a cargo tank:

5 / 40

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

6 / 40

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

7 / 40

How can you check slack adjusters?

8 / 40

Air pressure loss in a vehicle with a fully charged air system should be less than_______after the initial drop and brake applied.

9 / 40

You do not have to stop at railroad crossings, but must slow down and carefully check for other vehicles:

10 / 40

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

11 / 40

Which of the following is a reason that shippers package material?

12 / 40

Buses are prohibited from carrying all of the following hazardous materials except:

13 / 40

Do converter dollies have spring brakes?

14 / 40

On a bus, you may sometimes haul small-arms ammunition, emergency shipments of drugs, or hospital supplies. The total weight of all such hazardous materials must not be greater than:

15 / 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?

16 / 40

When is it acceptable for non-hazardous materials to be described by hazard class words or identification numbers?

17 / 40

What is the reason that placards are used?

18 / 40

Select the answer that is not a part of the braking process when driving a tractor-trailer combination vehicle that has ABS:

19 / 40

In what position should shut off valves on the rear of the last trailer be in on a set of double trailers?

20 / 40

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

21 / 40

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

22 / 40

Select the two reasons as to why special care is needed when driving a tank vehicle:

23 / 40

When approaching railroad tracks, stop your bus:

24 / 40

How do you check the air compressor governor "cut in" and "cut out" pressures?

25 / 40

How can you determine if your vehicle is equipped with ABS?

26 / 40

Select the true statement about empty trucks:

27 / 40

A shipment described on the Hazardous Waste Manifest may only be delivered to another _______ carrier or treatment facility, who then signs the ______, giving you a copy which you must keep.

28 / 40

The _____of the kingpin has the locking jaw close around it.

29 / 40

What is the purpose of a baffle?

30 / 40

You can be sure air is supplied to the second trailer by:

31 / 40

Which of the following statements about stopping distances is NOT true?

32 / 40

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

33 / 40

Before transporting a sealed load, you must check:

34 / 40

Select the true statement about speed and stopping distance.

35 / 40

You need to be extra careful when driving smooth bore tanks:

36 / 40

Which signals may be used to warn of a stopped vehicle that contains explosives?

37 / 40

What does the amount of liquid you can carry depend on?

38 / 40

A portable tank differs from a cargo tank in that ______.

39 / 40

You should___to reduce the air leakage rate.

40 / 40

Most states require school bus drivers to take a physical examination:

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CDL Category Practice Tests

CDL Practice Test

How To Get A south carolina Commercial Drivers License

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

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

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

  • (Form MCSA-5876) Medical Examiner’s Certificate
  • (Form DL-405A) Medical Certification Requirements

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 Carolina. Applicants can be disqualified for having multiple licenses.

South Carolina 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 carolina CDL License Test Tips

All South Carolina CDL applicants must pass the general knowledge test prior to taking the skills test. To pass the South Carolina test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The South Carolina 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 currently enlisted in the military.
  • Possess a valid South Carolina driver’s license.
  • Have operated a commercial vehicle as part of their military duties.
  • Have been discharged from the military within the past 12 months.
  • Submit (Form DL-408A) CDL Skills Test Waiver Application for Military Personnel. The commanding officer must sign this document within 90 days of the CDL application.

Additional Information

Information on the South Carolina Department of Motor Vehicles

The South Carolina Division of Motor Vehicles administers CDL license requirements in South Carolina. To get more information contact them via:

Website: http://www.scdmvonline.com/Driver-Services/Commercial-Licenses

Phone:  803.896.5000

 

Additional South Carolina CDL Helpful Links

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