Based on 2024 OK CDL manual

Questions
24
Mistakes allowed
5
Passing score
80%
Official OK Combination Vehicles: What to Expect
20
Total number of questions

16
Number of questions required to pass

80
Percentage required to pass

Oklahoma Commercial Driver's License
Oklahoma Commercial Driver's License

Ready to earn your combination vehicles endorsement? Take our free Oklahoma CDL Combination Vehicles Practice Test to make sure that you are. Based on the content of the Oklahoma CDL Handbook, this test features questions on all the topics you need to know like backing, coupling and uncoupling, dealing with jackknives and skids and much, much more. We consider this test to be a highly accurate preview of the real combination vehicles endorsement test that you will take at the DMV. In fact, don’t be surprised if you see some of the same questions from our practice test on the real test. Here are a couple of sample practice test questions that we have written: What is the emergency air line for? What is off-tracking?

Earning your combination vehicles endorsement will allow you to drive doubles and triples and is a great way to increase your driving opportunities and raise your income. Combination vehicle drivers are in high demand in many areas today. So don’t take the endorsement test lightly. Practice with our test first. You can take this test as many times as necessary to build your knowledge and confidence. Then you can walk into the DMV ready to pass. Start practicing now. There are 20 questions and you need to answer at least 80% correctly to pass. As you take the test don’t forget to read the answer explanations as these are an effective way to gain more knowledge. Take our practice test.