Combination #1
Combination Vehicles Practice Test | Missouri 2026 #1 Page 2 of 3
Train for FREE online with our Missouri CDL combination vehicle test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a MO combination license in 2026, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that DMV requirements for issuing a combination license may vary from state to state.
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8 . In an empty combination vehicle, the stiff suspension springs and strong brakes will have:
An empty combination vehicle will come to a complete stop more slowly than a fully-loaded vehicle. With less weight in a trailer, the stiff suspension springs and strong brakes will have lower traction than they would if the vehicle carried more weight.
9 . When connecting a converter dolly to a second trailer, the trailer height should be ____ the center of the fifth wheel.
When connecting a converter dolly to a second or third trailer, the trailer height should correct. It should be slightly lower than the center of the fifth wheel.
10 . Rearward amplification refers to:
The "crack-the-whip" effect is a result of rearward amplification. If not properly handled, a trailer can tip over due to rearward amplification.
11 . The tractor protection valve:
A tractor protection valve keeps air in a tractor or truck air brake system should the trailer break away or develop a bad leak. The valve will close automatically if the pressure drops to an unsafe level.
12 . The trailer hand valve should not be used while you are driving because:
Never use the trailer hand valve while operating your vehicle. Using the trailer hand valve while driving can cause your trailer to skid.
13 . Combination vehicles are usually:
Driving combination vehicles requires more skill than driving single commercial vehicles. Combinations are generally longer, generally heavier, and are more vulnerable to rollover.
14 . When glad hands are coupled, the seals should be pressed together at a ____ angle.
When coupling, be sure to couple the proper glad hands. When glad hands are connected, the seals should be pressed together at a 90-degree angle.
See the exact questions that will be on the 2026 Missouri DMV exam.
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2026 Missouri | Frequently Asked Questions
To secure a CDL Bus endorsement in Missouri, you must first hold a valid Commercial Driver's License (CDL). Then, pass the Passenger Endorsement Knowledge Test and the School Bus Endorsement Knowledge Test at a Missouri State Highway Patrol examination station. Finally, complete a driving skills test in the type of vehicle you wish to drive.
To obtain a CDL Bus license in Missouri, you must be at least 18 years old, possess a valid Missouri driver's license, pass a vision test, and complete a medical examination. You'll need to pass the CDL general knowledge test, the passenger transport test, and the school bus endorsement test. Finally, you must successfully complete a skills test in a bus.
While Missouri doesn't require specific training for a CDL Bus endorsement, it's recommended to complete a professional training program. This helps prepare for the written knowledge and skills tests. You must pass the Passenger Endorsement and School Bus Endorsement knowledge tests, and a driving skills test in a bus-like vehicle. Prior experience driving large vehicles can also be beneficial.
CDL Bus licenses in Missouri fall under Class B or Class C. Class B is for vehicles designed to transport 16 or more passengers, including the driver, or vehicles over 26,000 pounds. Class C is for vehicles designed to transport 16 or more passengers, including the driver, but weighing less than 26,000 pounds. Both require a passenger (P) endorsement.
No, you cannot use your personal vehicle for the CDL Bus driving test. The vehicle used must match the class and type of vehicle that matches the CDL license you're applying for. Therefore, for a CDL Bus endorsement, you must test in a commercial bus-like vehicle that is representative of the type of bus you'll be driving.
During the CDL Bus driving test in Missouri, various skills are evaluated. These include pre-trip vehicle inspection, basic vehicle control, and on-road driving. On-road driving includes right and left turns, intersections, railway crossings, curves, and various types of roadways. Also evaluated are skills like stopping at designated points, backing up safely, and responding appropriately to traffic signals and signs.
Yes, there are additional medical requirements for a CDL Bus endorsement in Missouri. Applicants must pass a Department of Transportation (DOT) physical examination every 24 months. The physical includes vision and hearing tests, blood pressure check, and an assessment of physical abilities necessary for driving a commercial vehicle safely.
No, it is not permissible to transport passengers without a valid CDL Bus endorsement in Missouri. The law requires drivers who operate commercial vehicles transporting 16 or more passengers, including the driver, to hold a valid CDL with a passenger (P) endorsement. Driving without the appropriate endorsement could lead to heavy fines and penalties.
In Missouri, you can add a CDL Bus endorsement to your existing license. You don't need to apply for a new license. However, you must pass the Passenger Endorsement written test and the skills test in a vehicle representative of the type of bus you'll be driving. Always check with the Missouri Department of Revenue for specific requirements.
Yes, drivers with a CDL Bus endorsement in Missouri are subject to certain restrictions. They must maintain a clean driving record, pass regular physical examinations, and comply with drug and alcohol testing rules. Violations can result in suspension or revocation of the endorsement. Also, drivers must not exceed the passenger capacity specified for their vehicle.
