Instructions
Knowledge Test Class A #1

FREE CDL Class A Driving Test Online South Carolina 2022

Train for FREE online with our South Carolina class A license 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 SC CDL class A permit in 2022, practice as much as.. Read More

Train for FREE online with our South Carolina class A license 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 SC CDL class A permit in 2022, 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 CDL class A requirements may vary from state to state.

To help you pass your CDL exam and become a safer driver, your knowledge of safe commercial driving will be examined, including right-of-way restrictions, railroad and highway crossings, braking and backing tactics, coping with exceptional road and weather situations, and much more. Good luck on the practice exam; take it as many times as you need to feel comfortable with the material, and drive carefully!

Ideal for: 

  • CDL holders who want to add endorsements to their license
  • First-time SC CDL and CLP applicants
  • Applicants for CDL renewal in SC

On the actual SC CDL exam:

  • There are 50 questions
  • To pass, you must get 40 right answers 
  • 80% passing score
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1 . Empty trucks often take longer to stop than fully-loaded trucks.

The brakes, tires, springs, and shock absorbers on heavy-duty vehicles are designed to work best when the vehicle is fully loaded. Empty trucks require longer distances to stop because their lighter weight allows them less traction.

2 . A thin layer of ice that forms on road surfaces is called:

Blue ice. Black ice is a thin layer of ice that is clear enough for the road surface to be seen through it. A road covered in black ice may look like it is merely wet. You should be very careful when temperatures are below freezing and the road looks wet.

3 . To help your vehicle be seen by others:

Your headlights should be used, but only in the rain. A vehicle's headlights should be clean during trips. This will ensure that the lights can provide as much light as possible, helping the vehicle to be seen.

4 . During a basic vehicle control skills test, you may be asked to:

Maneuvers that may be included in the basic vehicle control skills test include straight line backing, offset back/right parking, offset back/left parking, driver side parallel parking, conventional parallel parking, and alley docking.

5 . An applicant hoping to be a city bus driver needs a passenger endorsement.

All applicants seeking to be licensed to drive a bus must pass the passenger endorsement test.

6 . What is a danger of rolling back when you start to accelerate?

You may lose your position in traffic. To avoid hitting someone or something behind you, it is important to ensure that your vehicle does not roll backwards when starting from a stop. If your vehicle has a manual transmission, partly engage the clutch before taking your foot off the brake.

7 . When inspecting the windshield before a trip, a person should do all the following, except:

When inspecting your windshield, you should look for cracks or other problems that could interfere with your ability to clearly see the road. The windshield wiper arms should be checked for proper spring tension. The wiper blades should be checked for damage, stiff rubber, and improper securement.

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