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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.
For proper steering, steering wheel play should be no more than:
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30 degrees.
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25 degrees.
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10 degrees.
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2.
What should you do at an accident scene, among other things, to help prevent another accident?
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If you are stopping to help, park in the area immediately around the accident.
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Put on your 4-way emergency flashers.
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Stay in your vehicle and file an accident report.
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3.
If a car suddenly cuts in front of you, creating a hazard, you should NOT:
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slow down to prevent a crash.
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stay close behind the car and honk your horn.
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signal and change lanes to avoid the car, if possible.
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4.
Strong winds can make it difficult to stay in your lane, especially when:
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going into tunnels.
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coming out of tunnels.
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driving at speeds below 40 mph.
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5.
When driving in foggy conditions you should:
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drive on the shoulder.
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slow down.
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speed up.
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6.
Which of the following is checked in a pre-trip inspection?
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Wiper blades
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Steering wheel
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All of the above.
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7.
If you find anything unsafe during the pre-trip inspection, you are required to:
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get it fixed before driving.
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write it in your inspection report.
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drive cautiously until it is fixed.
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8.
You should downshift:
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before starting down a hill or entering a curve.
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before exiting a curve.
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before starting up a hill.
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9.
The definition of Gross Vehicle Weight is:
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Axle weight + cargo weight
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Total weight of a single vehicle + cargo
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Total weight of cargo
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10.
If you must stop on or by a one-way or divided highway, you must place warning devices ___ feet, ___ feet, and ___ feet toward the approaching traffic.
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5; 50; 100
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15; 150; 300
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10; 100; 200
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