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The CDL general knowledge test is required to be taken by all CDL applicants. The Missouri 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 Missouri 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 MO 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.
Which of the following is most likely to get stuck on raised railroad crossings?
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A low slung unit
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A single-axle tractor with no trailer
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A single-axle tractor pulling a small trailer
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2.
To maintain alertness while driving, you should:
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avoid heavy foods.
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have another person ride with you.
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All of the above.
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3.
During your pre-trip inspection, you should check:
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Tire tread depth.
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Warning flashers.
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All of the above.
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4.
During the pre-trip vehicle inspection test, when examining hoses with the examiner, look for:
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puddles on the ground.
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frays in the water pump belt.
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the temperature gauge.
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5.
If you are driving a 50 foot truck and you are traveling at 55 mph, you should have at least _________ of following distance.
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6 seconds
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3 seconds
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5 seconds
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6.
You should downshift in advance before:
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entering a tunnel.
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starting down a hill or entering a curve.
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crossing a bridge.
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7.
When a tire fails, the driver should:
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immediately apply the brakes.
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swerve to the right.
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stay off the brake.
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8.
You should not use your horn unnecessarily. Why?
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The horn can startle other drivers, which could be dangerous.
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On vehicles possessing air brakes, it uses up air pressure you may need to be able to stop
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All of the above.
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9.
When signaling what you intend to do, you should:
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cancel your signal after you have turned.
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signal continuously.
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All of the above.
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10.
You are driving on a two-lane road. If an oncoming driver has drifted into your lane:
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a move to your left is best.
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you should brake as hard as you can.
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a move to your right is best.
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