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Free Oklahoma CDL Permit Practice Test: General Knowledge 2024
Part of mandatory Entry-Level Driver Training Course Based on 2024 OK commercial driver's license manualAvailable in EN, ES
50questions
10mistakes allowed
80%passing score
Welcome to our free Oklahoma CDL permit practice test! This practice test, one of many we offer, is designed to help you practice to pass the official CDL General Knowledge test for a Commercial Learner’s Permit (CLP).
Like the official General Knowledge test, this practice test is based on the official Oklahoma Commercial Driver License Manual. It consists of 50 multiple-choice questions on such topics as driving techniques, hazard perception, and state regulations. It’s up to date as of December, 2024. But unlike the official test, our practice test comes with features to help you learn the material. Each question has an available hint if you get stuck for an answer, and an explanation of the correct answer. You can also get more help from our automated assistant. One thing our practice test doesn’t have is a time limit. You’re not under pressure to pass; take your time to learn as much as you can.
The CLP is a crucial step along the way to obtaining a Commercial Driver’s License (CDL). The CLP will allow you to practice commercial driving under the supervision of a CDL holder. Once you become sufficiently adept at commercial driving, you can take the official skills test for a CDL. The skills test will test you on basic vehicle maneuvers, performing a pre-trip inspection, and driving on public roads.
Once you are a commercial driver, become as knowledgeable as possible about safe commercial driving in Oklahoma. As a resident of Oklahoma, you already know that Oklahoma is in “Tornado Alley.” Especially in the spring, you need to be alert for severe thunderstorms and possible tornadoes. There may also be high winds on Oklahoma’s flat plains to contend with.
Here are the most important commercial routes you should know. Interstate 35 runs from Duluth, Minnesota to Oklahoma City, and from there to Laredo, Texas. Interstate 40 runs from Barstow, California through Oklahoma (where it connects with I-35) to Wilmington, North Carolina. U.S. Route 69 runs from Albert Lea, Minnesota through Oklahoma (where it connects with I-40) to Port Arthur, Texas. U.S. Route 75 runs from Noyes, Minnesota through Oklahoma (where it connects with I-40) to Dallas, Texas.
Test-taking tip: Before taking any test, eliminate any possible distractions that might cause you to lose your focus on answering the questions correctly. If you’re feeling thirsty before the test, drink some water. If you feel you have to go to the bathroom, do so before the test starts. And so on.
Perfect for
- First-time OK CDL and CLP applicants
- CDL holders adding endorsements
- OK CDL renewal applicants
What to expect on the actual exam
| How many questions | 50 |
|---|---|
| How many correct answers to pass | 40 |
| Passing score | 80% |
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List of questions (classic view)
- Which of the following wheel or rim problems can be hazardous?
- Why should you always perform the steps of your vehicle inspection in the same order each time?
- While driving a vehicle with dual tires, you hear a noise that sounds like a tire blowout. However, your vehicle's handling seems unaffected. What should you do?
- Which of these is NOT part of the basic method for shifting up?
- What might happen if you swing wide to the left before you turn right?
- What are the main differences between aggressive driving and road rage?
- To maintain alertness on your trips, you should
- During your vehicle inspection, why should you look underneath the vehicle?
- How many tie-downs are required for a 20-foot load?
- For how long will you lose your CDL driving privileges if you are convicted of a second DUI offense?
- You must have a CDL to drive a single vehicle whose gross vehicle weight rating (GVWR) is
- What can you do at an accident scene to help avoid another accident?
- You need to back into a warehouse, but you're not in a position to back toward the driver's side. What should you do?
- If your brakes get wet, they may
- The most important hand signal you should agree on with a helper is
- On wet roads, you should reduce your speed by
- To prevent a rollover while driving a combination vehicle, you should
- Total stopping distance equals
- What will help a drunk sober up?
- How long does it take a typical tractor-trailer to clear a double railroad track?
- You don't want to be a distracted driver, so you
- To help you stay alert and safe while driving, you should
- Letting the air out of hot tires
- Why should you be especially alert for drivers who are tourists?
- The minimum tire tread depth for front tires is
- If the engine is not overheated, is it completely safe to remove the radiator cap?
- Which of the following is NOT a key steering component?
- When should you consider NOT hauling the maximum legal load for your vehicle?
- When you inspect the brakes during a vehicle inspection, you should check for
- Which of the following should you check during your trip?
- You've delivered your load, and now you're driving your empty truck back on the same route. What must you be aware of?
- Which of the following statements about retarders are correct?
- If you are being tailgated, you should do all of the following EXCEPT
- When you're driving at 55 mph under good driving conditions, your total stopping distance will be
- To transport cargo safely, which of the following are you NOT responsible for?
- Which of the following is most likely to cause a tire fire?
- You should put the starter switch key into your pocket while you perform the pre-trip inspection because
- Do empty trucks have the best braking?
- Which of these objects can you safely drive over rather than avoid?
- While driving at night, which lights should you use as often as you can?
- Why should you use a helper when you are backing?
- Which of these drinks contains the most alcohol?
- What is the best way to figure out how many seconds of following distance you have?
- When you check the wheel bearing seals, what are you looking for?
- Which of the following are common causes of truck fires?
- What is the gross vehicle weight (GVW)?
- How do you test a vehicle's hydraulic brakes for leaks?
- Why should you complete a post-trip inspection report?
- If you spot a hazard ahead, what should you do first?
- During your trip, how many beers can you safely drink at a stop?
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