Combination #1
Combination Vehicles Practice Test | Michigan 2024 #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 2024, 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 2024 Michigan DMV exam.
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2024 Michigan | Frequently Asked Questions
A CDL Class A license in Michigan allows the holder to operate any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, provided the Gross Vehicle Weight Rating (GVWR) of the vehicle(s) being towed is in excess of 10,000 pounds. This typically includes tractor-trailers, truck and trailer combinations, and flatbeds.
A Class A CDL license in Michigan permits the holder to operate vehicles such as tractor-trailers, truck and trailer combinations, tanker vehicles, livestock carriers, and flatbeds. Essentially, it covers any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more if the towed vehicle exceeds 10,000 pounds.
To obtain a Class A CDL license in Michigan, you must be at least 18 years old (21 for interstate driving), have a valid Michigan driver's license, pass a vision test, and complete a self-certification of medical fitness. You also need to pass written knowledge tests and a skills test, which includes a pre-trip vehicle inspection, a basic controls test, and an on-road driving examination.
In Michigan, you must be at least 18 years old to qualify for a Class A Commercial Driver's License (CDL) for intrastate driving (within Michigan only). However, to drive interstate (across state lines) or to haul hazardous materials, you must be at least 21 years old.
While not always required, specific endorsements can be added to your Class A CDL license to permit the operation of certain vehicles or transport of specific goods. These include T (Double/Triple Trailers), P (Passenger), N (Tank Vehicles), H (Hazardous Materials), and X (Combination of Tank Vehicle and Hazardous Materials). Each endorsement requires passing additional knowledge tests.
The Class A CDL skills test in Michigan encompasses three parts: a pre-trip inspection, a basic vehicle control test, and an on-road driving test. The pre-trip inspection tests your ability to assess the safety of your vehicle. The basic control test evaluates your ability to maneuver and control the vehicle. The on-road test assesses your ability to safely operate the vehicle in various traffic situations.
Yes, certain limitations can be imposed on Class A CDL license holders in Michigan. These are called restrictions and are marked on the license. For example, an "E" restriction prohibits manual transmission use, an "L" restriction prohibits operation of vehicles with full air brakes, and a "Z" restriction prohibits the operation of a commercial motor vehicle equipped with any braking system operating fully on the air brake principle.
In Michigan, the written Class A CDL test is primarily administered in English, as federal regulations require commercial drivers to read and speak English. However, some locations may offer the test in other languages. It's recommended to contact your local testing center for specific information about language accommodations.
Yes, you can request accommodations for the Class A CDL written test if you have a disability. Michigan's Department of State is committed to providing accessible testing. The exact accommodations depend on the nature of your disability. Contact your local testing center in advance to discuss your needs and make appropriate arrangements.
Yes, if you don't pass the Class A CDL written test in Michigan, you can retake it. However, you must wait at least 24 hours before retesting. If you fail the test three times, you must wait 30 days from the last attempt to retake it. There may be additional fees for retesting.
