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- Updated for May 2025
- Based on 2025 OK commercial driver's license manual
OK CDL Pre-Trip Inspection Practice Test 2025
Earning a Oklahoma Commercial Learner’s Permit (CLP) requires passing the state’s CDL General Knowledge Exam. Failing this exam results in a minimum one-day waiting period and an additional fee to reschedule. The CLP allows supervised driving for up to 365 days, and CDL skills testing must take place within this window. After holding the CLP for at least 14 days, you’ll be eligible to take the Oklahoma’s CDL skills exam, which includes the federally mandated Pre-Trip Inspection Test (49 CFR § 392.7 and 49 CFR § 396.13). The inspection test is one of three parts necessary to pass the Oklahoma’s CDL skills exam (the others being the basic control skills test and road test). Our Oklahoma Pre-Trip Inspection Practice Tests are your key to acing all pre-trip inspection questions on the General Knowledge Test.
The Oklahoma General Knowledge Exam and Pre-Trip Inspection Test evaluate your ability to inspect engine components, brakes, suspension, and lights, among other items. During the inspection, examiners must determine that you can properly ensure your vehicle is in safe operating condition. You must point to and explain each part’s function (the “Touch and Explain Rule”), why it must be checked, and its condition. In Oklahoma, if you incorrectly perform any part of the three-step air brake check, you automatically fail the pre-trip inspection test. Additionally, if you do not correctly complete both parts of the hydraulic brake check, you fail. If any portion is failed, you must retake the failed section but only after a one-day waiting period.
The Oklahoma’s systematic pre-trip vehicle check includes reviewing past inspections, inspecting the engine compartment, checking in-cab controls and gauges, verifying lights, conducting a full walk-around inspection, testing signal lights, and testing the brake system. For both the Oklahoma CDL General Knowledge Exam and the CDL Pre-Trip Inspection Test, you’ll need to be very comfortable with this process.
This 20-multiple-choice-question practice test is based on the most recent edition of the Oklahoma CDL manual (Oklahoma CDL Handbook 2025) and assesses your knowledge of pre-trip inspections. To speed learning, our tests provide detailed explanations after each response, ensuring you pass the General Knowledge test on your first attempt.
Please check out our other practice tests to prepare you for different parts of the General Knowledge Test.
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
About this test
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