Combination #2
Combination Vehicles Practice Test | Michigan 2025 #2
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 2025, 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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1 . When backing up your tractor while coupling it to a trailer, the trailer brakes should be:
Correctly following the steps to couple and uncouple trailers is vital to safely operating a combination vehicle. Before backing your tractor under the trailer while coupling, make sure your trailer brakes are locked.
2 . 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.
3 . During a trip, the ____ should be open.
When starting a trip, be sure that all shut-off valves are in the open position, except for the last valves on the rear trailer. It is important that air reaches the brakes on all trailers and that it is not able to escape from the back of the vehicle.
4 . Rollovers happen when:
Rollovers are caused by operators turning too fast. To avoid rolling over, drive slowly on entrance ramps, on exit ramps, and around corners. Avoid making quick lane changes when towing trailers.
5 . Place the trailer air supply control in its "emergency" position to test:
Be sure to test the trailer emergency brakes before beginning a trip. After ensuring that the trailer rolls freely, you can test the emergency brakes by pulling out the trailer air supply control, or placing it in the "emergency" position. Pull forward slightly with the tractor and make sure the trailer does not move.
6 . 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.
7 . A trailer that is too high:
Before coupling together a tractor and a trailer, you should make sure the trailer is at the proper height. If the trailer is too low, the trailer nose may be damaged. If the trailer is too high, it may not be able to couple correctly.
See the exact questions that will be on the 2025 Michigan DMV exam.
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2025 Michigan | Frequently Asked Questions
A CDL Class B license in Michigan allows drivers to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or a towed vehicle not exceeding 10,000 pounds. This typically includes buses, dump trucks, tow trucks, delivery trucks, and garbage trucks. It also permits the transportation of 16 or more passengers including the driver.
A Class B CDL license in Michigan allows the operation of single vehicles with a gross vehicle weight rating of 26,001 pounds or more, or a towed vehicle not exceeding 10,000 pounds. This typically includes large passenger buses, segmented buses, dump trucks, delivery trucks, garbage trucks, and straight trucks.
To acquire a Class B CDL license in Michigan, you must be at least 18 years old (21 for interstate driving), possess a valid Michigan driver's license, pass a vision test, and successfully complete a knowledge test. You must also pass a skills test, which includes a pre-trip vehicle inspection, basic controls test, and on-road driving examination.
In Michigan, you must be at least 18 years old to qualify for a Class B CDL license for intrastate driving (within Michigan only). However, if you intend to drive interstate (across state lines) or haul hazardous materials, you must be at least 21 years old.
Specific endorsements for a Class B CDL license in Michigan are not necessary, but they can expand the types of vehicles you are allowed to drive. For example, obtaining a Passenger or School Bus endorsement allows you to drive vehicles designed to carry 16 or more passengers, including the driver. Each endorsement requires passing additional tests.
The Class B CDL skills assessment in Michigan includes three components: a pre-trip vehicle inspection to ensure the vehicle is safe to drive, a basic controls test to verify your ability to control the vehicle, and an on-road driving test to evaluate your practical driving skills in various traffic situations and maneuvers.
Class B CDL license holders in Michigan are limited to operating single vehicles with a GVWR of 26,001 or more pounds, or any such vehicle towing a vehicle not in excess of 10,000 pounds GVWR. They can't operate Class A vehicles unless they get a Class A endorsement. Also, to transport passengers or hazardous materials, specific endorsements are required.
In Michigan, the written Class B CDL test is typically administered in English. However, for those who are not fluent in English, the state offers the test with audio assistance. It's crucial to contact your local Michigan Secretary of State office to inquire about available language accommodations for the written test.
Yes, Michigan provides reasonable test accommodations for individuals with disabilities taking the Class B CDL written exam. The accommodations can include extra time, breaks, or audio assistance. You need to request these accommodations in advance by contacting your local Michigan Secretary of State office and providing appropriate documentation of the disability.
If you don't pass the Class B CDL written test in Michigan, you can retake it. However, you must wait at least one day before attempting the test again. Keep in mind, if you fail the test three times, you'll have to start the application process over, including paying all applicable fees.
