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CDL GENERAL KNOWLEDGE TEST (OK) - PRACTICE TEST

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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. The header board, if equipped, should:
block the forward movement of any cargo you carry.
never be used for cargo.
not be used in case of a crash or emergency stop.
2. A steering wheel play of more than ___ degrees can make it hard to steer.
45
20
10
3. When inspecting your windshield, you should look for:
dirt.
cracks.
All of the above.
4. The posted speed limit for a curve:
is safe for all vehicles.
is safe for trucks or buses, but it may be too fast for cars.
may be too fast for many trucks or buses.
5. Your mirrors should be adjusted so that:
the rear of the vehicle is visible in the mirror.
a part of the vehicle is visible in the mirror.
no part of the vehicle is visible in the mirror.
6. Which of the following could cause poisonous carbon monoxide to enter the cab?
Exhaust system leaks
Lack of engine coolant
Lack of engine oil
7. Which of these describes the proper braking technique when driving on a long and steep downgrade?
Apply the brakes. When your speed has been reduced to 5 mph below your safe speed, release the brakes. When your speed has increased to your safe speed, repeat the previous steps.
Apply the brakes until your speed has been reduced to 5 mph, then release the brakes. When your speed has increased to your safe speed, repeat the previous steps.
Release the brakesĀ until your speed is 5 mph above your safe speed, then apply the brakes. When your speed has decreased to your safe speed, repeat the previous steps.
8. Which of the following is not a reason for covering cargo?
To protect people from spilled cargo
To prevent other drivers from looking at the cargo
To protect the cargo from weather
9. While driving at night, use __________ when it is safe and legal to do so.
low beams
high beams
interior lights
10. Hanging meat in a refrigerated truck:
can be a very unstable load.
should never be transported.
will not affect safe driving ability.
 
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OK CDL Knowledge Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
Number of questions: 50
Correct answers to pass:40
Passing score:80%
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