Free North Carolina CDL Combination Practice Test 2025

Thanks for stopping by to take our free North Carolina Combination practice test! This practice test will help you prepare to pass the official CDL Combination Vehicles knowledge test in {state--name}, which is a requirement to drive combination vehicles like semi-trucks and tractor-trailers. Have you been reading the official North Carolina Commercial Driver License Manual (North Carolina CDL Handbook 2025), especially Chapter 6 on combination vehicles? By taking this practice test, you’ll absorb the relevant information from this study guide more easily, which will increase your chances of passing the official knowledge test. The practice test is based on the official CDL manual, just like the official knowledge test. It’s up to date as of March 2025 and has 25 multiple-choice questions. The questions and answers on this practice test will assess your understanding of such topics as combination braking systems, combination driving techniques, coupling and uncoupling, and pre-trip inspections. Unlike the official knowledge test, this practice test comes with an automated assistant, which can help you with a question by providing a hint and an explanation of the correct answer.

There are three classes of Commercial Driver’s Licenses (CDLs): Class A, Class B, and Class C. A Class A CDL allows you to operate combination vehicles whose gross combination weight rating (GCWR) is at least 26,001 pounds and the gross vehicle weight rating (GVWR) of the towed units is over 10,000 pounds. If your career goal is to drive semi-trucks or tractor-trailers for a living, then this is the class of CDL you ought to obtain.

Once you obtain the class of CDL you want and all the endorsements you need, you’ll find many profitable opportunities in driving combination trucks. In North Carolina, key economic sectors include agriculture (such as tobacco, sweet potatoes, hogs, and soybeans) and manufacturing (such as furniture, pharmaceuticals, and textiles). Both of these sectors depend on trucks to transport their products. Drivers who operate refrigerated trucks (“reefers”) are in high demand to transport perishable products. The high-tech Research Triangle area also depends on truck drivers to deliver equipment and supplies to them. In addition, ports in Wilmington and Morehead City create opportunities for truck drivers to transport goods from the ports to major cities. Note: Seaports contain secure areas. You may need a Transportation Worker Identification Credential (TWIC) card to pick up cargo at these ports.

Major trucking routes include Interstates 40, 77, 85, and 95; and U.S. Routes 64, 70, and 74. Unfortunately, these Interstate highways are often heavily congested during peak hours. Also, sections of I-40 and U.S. 64 through the Appalachian Mountains include steep grades, tight curves, and the risk of landslides.