Free Missouri CDL General Knowledge Practice Test 2023

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our MO General Knowledge Practice Test has the same questions as the real exam which is based on the Missouri CDL Book. Our CDL practice test pack covers most of the subject areas on the Missouri General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more to make you become a safer driver. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, don't worry, you can take this practice test an unlimited number of times to make sure you learn all the questions. Our Missouri CDL Practice Test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our practice test now!

Our CDL practice tests:
Based on 2021 MO commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MO CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
When using the brakes on a steep downgrade, which of the following applies?
One can recognize hazardous materials by looking on the container:
Sometimes you need to leave a road to avoid a hazard or emergency. When you do, you should keep in mind, that:
Which of these is NOT a danger when an automatic transmission is forced into a low gear at a high speed?
When starting a bus on a level surface with good traction there is often no need for:
When making a left turn, you should do which of the following?
A hook-lift container is:
A stack of shortwood loaded lengthwise can be secured with one tiedown if:
On an accident scene, if a qualified helper is present you should:
Concrete pipe loaded crosswise generally:
All of the following are requirements for transporting coils with eyes crosswise except:
A stake pocket is:
Based on the following information, how much fuel can you legally add while remaining legal on the drive axles?

Percentage of fuel weight to drive axles: 25%

Weight Before Fueling: Steer: 11,275, drives: 33,800, gross: 77,420

Why is damage to the exhaust system a danger?
In case of which fires can you use water to put it out?
You are traveling down a long, steep hill. Your brakes get so hot that they have failed. What should you do?
Which of these statements about double clutching and shifting is true?
What is a reusable, transportable enclosure that is especially designed with integral locking devices that secure it to a container chassis trailer to facilitate the efficient and bulk shipping and transfer of goods by, or between various modes of transport, such as highway, rail, sea, and air.?
Your vehicle is in a traffic emergency and may collide with another vehicle if you do not take action. Which of these is a good rule to remember at such a time?
Which of these statements about marking a stopped vehicle is true?
What is the minimum angle that indirect tiedowns must form with the vehicle?
Most skids:
What are most front-wheel skids caused by:
Which of these should you NOT do in an emergency situation?
What are the two most common tandem slider rail hole spacings, and roughly how much weight is transferred per hole?
Which of the following is not a reason why loads should be secured?
Which vehicle will have the most difficulty staying in its lane during strong wind?
What is the cargo's center of gravity?
Controlled braking:
What is the WLL of a 1/2-inch Grade 70 tiedown?
High beams should only be used at a distance of:
Any CDL holder found to operating a CMV with ANY alcohol in his/her system will be placed out-of-service for a minimum of:
Which of the following are covered by the specific log securement requirements?
You must drive on a slippery road. Which of these is a good thing to do in such a situation?
Vehicles should be equipped with all of the following emergency equipment except:
Working Load Limit (WLL)is defined as:
Is the following example within legal HOS limits?

- A trucker starts driving at 12:00pm
- At 5pm the driver takes a 1 hour break
- At 6pm the driver begins driving again
- At 11:30pm, the driver shuts down and goes off duty for 10 consecutive hours
To adjust driving space to slippery conditions, all of the following are space considerations except:
Generally, when steering in an emergency, which direction is your best option?
What is bell pipe concrete?
What is the presumed resistance to horizontal movement of friction mats?
What can be the result of too much weight on the back of the trailer?
Some of the serious driving errors that can be caused by alcohol include:
You are driving on a two-lane road. An oncoming driver drifts into your lane and is headed straight for you. Which of these is most often the best action to take?
Which day below contains a 30 minute break violation?
Day 1

Day 2
Products that pose a risk to health, safety
and property during transportation are called:
You have steer tires rated at 6,150 pounds each, and you're in the state of West Virginia which says the legal limit for the steer axle is 20,000 pounds. What's the maximum legal weight you can carry on your steer axle in West Virginia?
A bulkhead is used:
According to the general rule, for how much space should you leave in front of your vehicle at speeds below 40 mph?
Shifting gears on most heavy vehicles using manual transmissions will require: