All your missed questions are saved
automatically for extra practice.
It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
View All PlansAdding difficult questions to Challenge Bank™ is an exclusive Premium feature. Unlock access to 650+ exam-like questions, a Pass Guarantee, personalized study plans, and more.
View All Plans| 90-100 | => | 0% |
| 80-89 | => | 50% |
| 70-79 | => | 25% |
| 60-69 | => | 17% |
| <60% | => | 8% |
Welcome to our fourth South Carolina CDL Combination Vehicles Practice Test, the solution to your study needs! Whether you’re completely new to this subject or you’re trying to refresh your memory, this intuitive tool enables active learning to make your study sessions more efficient. It consists of several multiple-choice questions based on the official Commercial Driver License Manual (South Carolina CDL Handbook 2025), specifically Section 6 (Combination Vehicles). You must score 80% or higher to pass.
With unlimited attempts and nonstop access, there’s no limit to how often you can train with this practice test. If you fail, you can start a new practice session right away. However, it is crucial to identify your mistakes and learn from them during your learning phase. Your personal Challenge Bank™ automatically stores the questions you get wrong. Please visit this section in between your practice sessions and answer each question correctly to remove it. Premium users can use the bookmark icon in the top-right corner of the page to add any question to their Challenge Bank.
M.S., Chief Educational Researcher (ACES member)
Last verified for accuracy on
Studying commercial driving theory isn’t always easy, especially when the material gets technical. That’s why our automated assistant is built directly into our practice tests, ready to help you whenever you need it. “Officer Frank” can explain difficult concepts and provide real-world examples. This personal AI coach is designed to help you learn as you go. Do not hesitate to start a chat with him and use his insights to boost your learning potential.
Keep track of your scores and, with consistent practice, you’ll notice them improving gradually. Please avoid rushing and finish each training session at your own pace. Check out our Free South Carolina CDL Permit Practice Test and use it to master general commercial driving theory. You can pair it with the official commercial driver license manual, which you can open in another browser tab. After a few weeks of consistent practice, you’ll be ready to ace your theory exams and begin a rewarding career as a truck driver in South Carolina.
Driver’s Ed is - nobody wants to set foot inside the DMV. That’s why millions of learners trust us for simple, visual, effective prep.
We are an officially recognized FMCSA Entry-Level Driver Training provider and a proud partner to over 2,500 libraries. We work with safety organizations like GHSA and the National Safety Council to help create safer roads for everyone.
Our trademarked system automatically saves questions you miss, creating personalized tests that target your weak spots until you’ve mastered the material.
Get smarter as you study. Our new AI-powered feedback provides detailed, question-level insights to help you understand the why behind each answer.
Go beyond the boring black-and-white manual. Our interactive handbook lets you read, listen with an MP3 audio version, or even chat with it to find the information you need, faster.
We build our practice questions from the current 2025 SC Driver Handbook and refine them using patterns recent test‑takers report.
Driver handbook • Knowledge‑test/permit overview • Fees & ID requirements • Office/appointment info
We mirror recurring themes (e.g., right‑of‑way traps, sign look‑alikes) and use similar distractors and wording styles.
We don’t collect or publish actual test items and we’re not affiliated with DMV.
