MISSOURI CDL PRACTICE TEST - GENERAL KNOWLEDGE
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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.
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1.
You should hold your steering wheel:
firmly with both hands.
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firmly with one hand.
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with both hands on the same side of the wheel.
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2.
There are two ways of knowing when to shift up:
Automatic transmissions and shift indicator light.
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Weather conditions and road speed.
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Engine speed and road speed
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3.
If a load is 10 feet long, the minimum number of tie-downs required is:
1
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2
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3
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4.
If your cargo only fills one-third of the length of your trailer, make sure your cargo is:
piled up high with heavy cargo on top.
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centered and spread out as much as possible.
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to one side and as close to the ground as possible.
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5.
When using double clutching to shift gears, if you are having difficulty putting the vehicle into the next gear you should:
return to neutral, release the clutch, increase the engine speed to match the road speed, and try again.
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force the lever until you put the vehicle into the next gear.
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reduce the engine speed to drop back to the previous gear.
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6.
To avoid a crash:
stopping is not always the best thing to do.
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swerving is always the worst thing to do.
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stopping is always the safest thing to do.
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7.
Which of the following trailers can get stuck on raised crossings?
Lowboy
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Car carrier
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All of the above.
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8.
Effects of distracted driving include:
improved reaction time.
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increased following distance.
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incorrect inputs to the steering.
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9.
On ramp/off ramp curves should be taken:
well below the posted speeds.
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slightly below the posted speeds.
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at the posted speeds.
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10.
Before unloading explosive materials, you should:
connect heater power sources.
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keep the engine running.
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turn your engine off.
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Frequently Asked Questions
Teens between 15 and 18 years old must follow the three steps of Missouri's Graduated Driver License Program:
- Instruction permit ? you must be 15 years old.
- Intermediate license ? you must be 16 years old and have held the permit for at least 182 days.
- Full driver license (class F) ? you must be 18 years old.
You can complete the DMV written test at a Missouri State Highway Patrol examination station (no appointment required). After passing the exam, go to a Missouri driver license office to apply and pay for the instruction permit. If you are a minor, your parent/legal guardian must accompany you to the license office.
You must present specific documents when applying for the first time:
- Proof of identity (provide further proof to verify any name change).
- Proof of lawful status.
- Proof of Social Security Number (If you don’t have a SSN, sign the affidavit provided by the license office and present a letter from the Social Security Administration about your situation).
- Proof of Missouri residency.
- Driver examination record to prove that you've passed the vision and the DMV written test. You can request it in person at any Missouri license office or by email at the Driver License Record Center.
You can check the list of acceptable documents here.
The DMV written test in Missouri is offered in various languages, including Chinese, French, German, Greek, Italian, Korean, Russian, Spanish, Vietnamese, Japanese, and Bosnian. Although language options are provided, it is advisable to have a basic understanding of English since road signs are always in English.
To prepare for the DMV written test, read the Missouri Driver's Handbook and take our free practice tests. Topics covered on the exam include road signs, parallel parking, turning, passing a vehicle, yielding the right of way, etc. Once your scores are good, you are ready for the real exam.
The Missouri DMV written test comprises 25 questions and is designed to evaluate your knowledge of general traffic laws in preparation for the road test. You should study the manual carefully to ensure success on your first attempt.
You can make up to 5 mistakes on the Missouri DMV written test. To pass, you need to answer at least 20 questions correctly, achieving an 80% accuracy rate. Take your time to read each question accurately.
For new drivers in Missouri, there are specific restrictions based on their age:
Instruction permit:
- If you are under 16, you may operate only under the supervision of a parent/legal guardian, a driving instructor, or an adult who is 25 or older with a driver's license for at least 3 years. When you turn 16, you may operate if accompanied by a licensed driver who is at least 21 years old, seated in the front seat.
Intermediate license:
- For the first 6 months, you cannot transport more than one passenger under 19 (unless they are siblings). After this period, you can drive with a maximum of three passengers under 19.
- You cannot drive alone from 1 a.m. to 5 a.m., except for school/job activities or emergencies, unless accompanied by a licensed driver who is at least 21 years old.
A Missouri instruction permit is valid for 12 months and can be renewed. To renew, provide proof of identity and Missouri residency at any Missouri license office, and pay for a duplicate permit.
MO CDL Practice Test
Number of questions: | 50 |
Correct answers to pass: | 40 |
Passing score: | 80% |
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