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The CDL general knowledge test is required to be taken by all CDL applicants. The Oklahoma CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Oklahoma CDL Manual.
All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual OK general knowledge test!
To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1.
Perception Distance + Reaction Distance + Brake Lag Distance + Braking Distance = ?
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Total Air Pressure
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Stopping Distance - (minus) Brake Fade Distance
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Total Stopping Distance
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2.
Which of the following statements about engine overheating is true?
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You should never remove the radiator cap or any part of the pressurized system until the system has cooled.
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Low speeds create more heat for the engine.
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You should never shut off an overheated engine until it cools.
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3.
When checking the lights before driving:
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you should turn off the engine.
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you should check them from inside the vehicle.
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make sure the parking brake is not set.
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4.
Regrooved tires:
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cannot be used on the front wheels of buses.
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cannot be used on the rear wheels of buses.
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cannot be used on the wheels of buses.
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5.
When checking the steering system for defects, you should look for:
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bent, loose, or broken parts, such as tie rods.
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cut or cracked valve stems.
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missing or broken leaves in any leaf spring.
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6.
Retarders:
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help slow a vehicle and reduce brake wear.
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help prevent accidents by applying extra braking power to the non-drive wheels.
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apply their
braking power whenever
you push on the accelerator.
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7.
Traction is:
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friction between the tires and the road.
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friction between the front and rear tires.
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the distance your vehicle will travel while you
are braking.
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8.
If you must stop on a one-way or divided highway, place your warning devices:
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10 feet, 50 feet, and 150 feet toward the approaching traffic.
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10 feet, 100 feet, and 200 feet toward the approaching traffic.
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100 feet, 200 feet, and 300 feet toward the approaching traffic.
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9.
If the coolant container is not part of the pressurized system:
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you should never remove the radiator cap or any part of the pressurized system until the system has cooled.
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you should remove the container cap and wait until the system has cooled.
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you can safely remove the cap and add coolant even when the engine is hot.
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10.
Which of the following statements about driving in areas with strong winds is true?
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Wind can be a problem especially when you enter a tunnel.
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You should drive alongside other vehicles to help break up the wind.
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Strong winds make it difficult to stay in your lane.
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Frequently Asked Questions
Teen drivers in Oklahoma must follow the Graduated Driver License (GDL) program to obtain a class D driver license. Below are the specific age requirements for each phase of the GDL:
- Student driver (no license) ? you must be at least 15 years old and enrolled in a state-certified Driver Education course.
- Learner permit ? you must be at least 15 ½ years old if you have taken driver education, or 16 years old if you have not taken driver education.
- Intermediate license ? you must be at least 16 years old and hold a permit for at least 6 months.
- Unrestricted license ? you must be at least 16 ½ years old and have held an intermediate license for at least 6 months (if you have taken driver education) or be at least 16 ½ and have held an intermediate license for at least 1 year (if you have not taken driver education), or be 18 years old.
You can schedule an appointment online for the DMV written test at an Oklahoma licensing office. Simply choose the most convenient office, select your preferred date and time, and secure your spot. If your chosen office is currently full, you can check the estimated wait time and join the waitlist.
Ensure you have the following documents:
- Proof of Primary ID and additional documents if your name has changed.
- Proof of Social Security Number.
- Legal presence proof (if you are not a US citizen).
- Notarized Parent Authorization Form (for individuals under 18 without a parent or legal guardian present with them).
- Enrollment Contract or Completion Certificate (for those under 16 enrolled in a driver education course. If you are over 16 and have completed a driver education course, provide proof to waive the written test).
- Parent-Taught Affidavit approval number and proof of purchase from the Parent-Taught Program provider (for individuals under 16 opting for this driver education program).
Unlike many states, there are no alternative language options provided for the DMV written test in Oklahoma. The exam is currently available exclusively in English.
To prepare for the DMV written test, read the Oklahoma Driver's Handbook. Pay attention to road signs, parallel parking, turning, passing a vehicle, yielding the right of way, etc. Verify your knowledge with our practice tests or sign up for Premium, which offers extra resources to get ready for your exam.
The DMV written test has 20 questions. The questions cover different topics about driving, such as road signs, safe driving practices, and traffic laws. Carefully study the manual to enhance your chances of passing the exam.
For new drivers in Oklahoma, here are the driving restrictions based on the GDL program:
- Student Driver (No License) ? you can drive only when accompanied by a Certified Driver Education Instructor or a Public School Instructor.
- Learner Permit ? you may drive only from 5:00 a.m. to 10:00 p.m., and you must be accompanied by a licensed driver at least 21 years old.
- Intermediate License ? you may drive alone from 5:00 a.m. to 10:00 p.m. These hour restrictions do not apply for work, religious, or school activities, or if you are under the supervision of a licensed driver at least 21 years old seated near you. Additionally, you can transport only one passenger (except for family members) unless a licensed driver at least 21 is seated in the front seat.
If you don't pass your DMV written test, you need to wait at least one day before retaking it. You must pay an added fee. Review the manual once again and concentrate on areas where you may need additional preparation to improve your knowledge for the next attempt.