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Based on official North Carolina exam questions

NC CDL Combination Vehicles Practice Test 3 2025

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements.

Earning your Class A Commercial Driver’s License (CDL) is a major milestone that includes passing the Combination Vehicles Knowledge Test. This particular test is one of several requirements for obtaining the license and covers a substantial list of testable topics. Our North Carolina CDL Combination Vehicles Practice Tests are the perfect tool for learning this material quickly and efficiently.

In addition to passing the Combination Vehicles Knowledge Test, you’ll need to complete Entry-Level Driver Training (ELDT) through an FMCSA-approved provider listed on the Training Provider Registry (TPR). You’ll also need to pass the CDL General Knowledge Test before receiving your Commercial Learner’s Permit (CLP), which you must hold for a minimum of 14 days. At that point, you can take the behind-the-wheel Skills Test (in a combination vehicle). Once you pass it, you may obtain your Class A license.

The Combination Vehicles Knowledge Test requires a minimum passing score of 80% (which means answering 16 questions accurately). The 20 multiple-choice questions are based on material about combination vehicles in the North Carolina CDL Manual. If you don’t pass on your first try, you can retest after one business day. Your initial testing fee covers three attempts, so preparing with our practice tests helps avoid extra fees and delays.

Our North Carolina CDL Combination Practice Tests are formatted to mimic the official exam. The practice tests also provide instant feedback and built-in hints to speed learning and boost retention. Topics covered include driving techniques for combination vehicles and coupling and uncoupling procedures. Also covered are prevention of skids and jackknives, air brake inspection and usage, and inspection and maintenance. Check out another practice test here: https://driving-tests.org/north-carolina/nc-cdl-combination-test/.

From the mountain stretches of I-40 to the coastal routes of I-95 and U.S. 70, Class A drivers are essential to agriculture, construction, and manufacturing. Major employers such as ABF Freight, FedEx Freight, NFI Industries, Old Dominion Freight Line, and Walmart Distribution Centers rely on Class A-certified drivers for their transport needs.

Consider endorsements like Tanker (N), Hazardous Materials (H), or Doubles/Triples (T) to add marketability to your CDL. Check out a Hazardous Materials Endorsement Practice Test: https://driving-tests.org/north-carolina/nc-cdl-hazmat-practice-test/. Most combination vehicles use air brake systems, so completing the Air Brakes Test removes restrictions (and is essential to your Class A license!). See one of our Air Brakes Practice Tests: https://driving-tests.org/north-carolina/nc-cdl-air-brake-practice-test/.

Whether you’re crossing the Blue Ridge or rolling toward the coast, the Tar Heel State has much to offer a Class A CDL holder.

8 min to complete
Available in EN and ES
NC commercial driver's license
Real exam-style pitfalls you’ll practice:
Common Traps
Distractors
Trick Wording
Double Negatives

Authored and curated by Steven Litvintchouk, M.S.

Chief Educational Researcher (ACES member)
Methodology & Editorial Policy
Last verified for accuracy: November 2025 (reviewed weekly)

What to expect on the actual NC permit test

20

questions

16

correct answers to pass

80%

passing score

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