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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.
Hanging meat in a refrigerated truck:
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can be a very unstable load.
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should never be transported.
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will not affect safe driving ability.
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2.
What should you do if you doubt you have safe space to pass under a low bridge?
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Go slowly, and take another route if you are not sure you can make it.
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Increase the weight of your vehicle to clearing under the bridge.
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If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
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3.
To maintain alertness while driving, you should:
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rely on caffeine.
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keep the cab warm.
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protect yourself from glare with sunglasses.
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4.
On dry pavement, the braking distance when traveling at 55 mph is about:
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216 feet.
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419 feet.
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142 feet.
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5.
When you have to back, use a helper whenever possible. Before you begin backing, work out a set of hand signals that you both understand. It is especially important to agree on a signal for:
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"Go"
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"Get closer"
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"Stop"
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6.
When going down a steep downgrade, it is important to select a "safe" speed that is not too fast for:
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the steepness of the grade.
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the weather.
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All of the above.
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7.
Which of the following is not a type of retarder?
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Hydraulic
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Exhaust
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Pressure
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8.
Your total stopping distance consists of __________ plus reaction distance plus braking distance.
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perception distance
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following distance
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passing distance
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9.
Which of these statements is true?
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Dual tires that come in contact with each other provide better traction.
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A tread depth of 2/32 of an inch is safe for steering axle tires.
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Radial and bias-ply tires should not be used together on the same vehicle.
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10.
Radial and bias-ply tires:
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should be used together only when driving in packed snow.
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should not be used together.
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should be used together.
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