Combination #1
Combination Vehicles Practice Test | Michigan 2026 #1 Page 2 of 3
Train for FREE online with our Michigan 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 MI 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 . A driver should test the tractor protection valve by:
You should test the tractor protection valve by allowing the air supply to properly charge, turning off the engine, then releasing air from the system by pressing the brake pedal several times. The tractor protection valve should move into its emergency position when psi drops to an unsafe level.
9 . Trailers built before ____ are not required to have spring brakes.
Trailers built before 1975 are not required to have spring brakes. When parking a trailer without spring brakes, be sure to use wheel chocks to prevent the trailer from rolling.
10 . What is a bobtail tractor?
Tractors without semi-trailers are referred to as bobtail tractors. Operating a bobtail tractor requires drivers to exercise caution.
11 . During a trip, landing gear should be:
Landing gear, or trailer supports, should always be completely raised before a vehicle is driven. Landing gear that is not entirely raised could catch on railroad tracks or other hazards on the roadway.
12 . If you press the tractor air supply control and your trailer's spring brakes do not release, you should:
It is important that all of a vehicle's equipment is in proper working condition before beginning a trip. If a trailer's spring brakes do not release when you push in the tractor air supply control, you should make sure the air line connections are properly attached and sealed.
13 . A trolley valve:
The trailer hand valve (also referred to as the trolley valve or Johnson bar) is a mechanism that works the trailer brakes. It should only be used to test the brakes. Using it while the vehicle is being driven could cause a skid. Never use the trailer hand valve while parking because doing so may release the air pressure from the braking system, releasing the brakes that are holding the vehicle in place.
14 . When backing up while coupling a trailer, the tractor should be positioned:
When backing up to couple a trailer, you should position the tractor directly in front of the trailer. Trying to couple while backing at an angle could cause the trailer to move and the landing gear to break.
See the exact questions that will be on the 2026 Michigan DMV exam.
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2026 Michigan | Frequently Asked Questions
To secure a CDL Bus endorsement in Michigan, you must first have a Commercial Driver's License (CDL). Then, pass the Passenger Endorsement written test. After that, you'd need to pass a skills test in the type of vehicle you wish to drive. The Michigan Secretary of State administers these tests and issues the endorsements.
To obtain a CDL Bus license in Michigan, you must have a valid driver's license, pass a physical examination, and complete a CDL application. You'll then need to pass the CDL General Knowledge test, the Passenger Endorsement written test, and finally, the skills test in a bus. The Michigan Secretary of State administers these tests and issues the licenses.
Yes, specific training is necessary for a CDL Bus endorsement. You must complete a commercial driver's education program, which includes both classroom instruction and practical driving experience. Additionally, you need to pass both the general CDL knowledge test and the passenger endorsement test. The training prepares you for these exams and for safely operating a bus.
CDL Bus licenses fall under three main classifications in Michigan: Class A, B, and C. Class A CDL is for towing vehicles over 10,000 pounds, Class B CDL is for single vehicles over 26,000 pounds (including buses), and Class C CDL is for vehicles designed to transport 16 or more passengers. The required license depends on the specific type and weight of the bus.
No, you cannot use your personal vehicle for the CDL Bus driving test in Michigan. The vehicle you use for the test must match the type and class of CDL you are applying for. In this case, you must use a commercial bus. This ensures you can handle the size and complexity of operating a commercial bus.
During the CDL Bus driving test, various skills are evaluated. These include pre-trip vehicle inspection, basic vehicle control (like backing, turning, and stopping), and on-road driving (covering intersections, railway crossings, and highway driving). You'll also be tested on specific bus maneuvers like loading/unloading passengers, use of emergency exits, and proper response to emergency situations.
Yes, for a CDL Bus endorsement in Michigan, you must pass a Department of Transportation (DOT) physical exam. This tests your physical health and vision to ensure you can safely operate a commercial vehicle. The exam checks for conditions like high blood pressure, diabetes, and poor vision that could affect your driving ability. A Medical Examiner's Certificate is then issued upon passing the exam.
No, it's not permissible to transport passengers without a valid CDL Bus endorsement in Michigan. The law requires any driver of a vehicle designed to carry 16 or more passengers, including the driver, to have a CDL with a Passenger (P) endorsement. Violating this law can result in hefty fines and possible loss of driving privileges.
In Michigan, you can add a CDL Bus endorsement to your existing commercial driver's license. You don't need a new application for the entire license. However, you must pass a knowledge test for the endorsement. After passing the test, you can pay the required fee to have the endorsement added to your current CDL.
Yes, there are restrictions for drivers with a CDL Bus endorsement in Michigan. Drivers must not have more than two moving violations in three years and no DUI convictions in the last seven years. Also, they must pass a DOT physical exam every two years. They cannot drive across state lines until they're 21 and must adhere to hours-of-service regulations.
