Air Brakes #2
Air Brakes Endorsement Test | Michigan 2025 #2 Page 4 of 4
Train for FREE online with our Michigan CDL air brake 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 Class A/Class B driver 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 the requirements for CDL may vary from state to state.
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19 . What do air brakes use to make the brakes work?
Many large CMVs are equipped with air brakes. An air braking system uses compressed air to operate.
20 . The air storage tanks:
The air storage tanks in an air brake system store compressed air to be used for braking. They hold enough air for the brakes to still be used several times if the compressor stops working.
21 . When leaving a vehicle unattended, a driver should:
Always apply the parking brake when leaving your vehicle unattended.
22 . Air pressure should build up in a single air system within:
In single air systems, air pressure should build from approximately 50 to 90 psi within three minutes.
23 . If air pressure drops to a level between ____, a visual low pressure warning signal should have already activated.
A visual low pressure warning signal should activate before air pressure drops to a level between 55 and 75 psi. This signal could be a light, a buzzer, or a wig wag.
24 . ____ make up the emergency brake system.
In an air brake system, there are three different braking systems: a service brake system, a parking brake system, and an emergency brake system. The emergency brake system uses parts of both the parking and service brake systems.
25 . Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.
Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when air tank pressure falls to a level between 20 and 45 psi. You can do this by chocking the wheels and releasing air from the braking system by stepping on and off the brake pedal. Once the pressure levels drop to an unsafe level, the parking brake valve should pop out and spring brakes should come on.
See the exact questions that will be on the 2025 Michigan DMV exam.
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Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
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2025 Michigan | Frequently Asked Questions
In Michigan, to acquire a CDL Passenger endorsement, you must first have a Commercial Driver's License (CDL). Then, pass a written passenger endorsement test and a skills test in a passenger vehicle. The written test covers the information found in the Michigan CDL Manual's passenger transport section, and the skills test includes pre-trip inspection, basic controls, and on-road driving.
To obtain a CDL Passenger license in Michigan, you must be at least 18 years old for intrastate driving or 21 for interstate driving, have a valid Michigan driver's license, pass a Department of Transportation (DOT) physical examination, successfully complete a written general knowledge test and a passenger transport test, and demonstrate your skills through a three-part driving test.
While Michigan does not require specific training to secure a CDL Passenger endorsement, it's recommended to take a professional training course. Experience is not required, but you must pass a written passenger endorsement test and a skills test in a passenger vehicle. Studying the Michigan CDL Manual, particularly the passenger transport section, can help prepare for these tests.
Yes, to obtain a CDL Passenger endorsement in Michigan, you need to pass a written knowledge test specifically focused on passenger transport safety and operations. This is in addition to the general CDL written exam. The test covers topics like vehicle inspection, loading and trip start, on the road, after-trip vehicle inspection, prohibited practices, and use of brake-door interlocks.
During the CDL Passenger endorsement skills test, you'll need to demonstrate your ability to inspect your vehicle, check safety equipment, operate the vehicle in various traffic conditions, and perform maneuvers such as turning, backing up, and parking. You'll also need to showcase your knowledge on loading/unloading passengers, responding to emergencies, and handling special situations like railroad crossings.
No, you cannot legally transport passengers in Michigan without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive a vehicle designed to carry 16 or more passengers, including the driver. Driving without the necessary endorsements could result in heavy fines, license suspension, or even criminal charges.
Yes, you can add the CDL Passenger endorsement to your existing commercial driver's license. You don't need a new license, but you will have to pass the Passenger endorsement written test and, in some cases, a skills test. Check with the Michigan Secretary of State's office for specific requirements and procedures.
Yes, there are specific limitations for drivers with a CDL Passenger endorsement in Michigan. These include prohibitions on texting and using handheld mobile phones while driving. Also, drivers must ensure the safety of all passengers, and for school bus drivers, there are additional restrictions such as obeying school zone speed limits and requirements for picking up and dropping off students.
Yes, there are age-related prerequisites for acquiring the CDL Passenger endorsement in Michigan. You must be at least 21 years old to drive a commercial vehicle across state lines (interstate) or to carry hazardous materials. However, if you're only driving within Michigan (intrastate), you can get a CDL at age 18.
With a CDL Passenger endorsement, you will be eligible to drive vehicles such as buses, shuttles, and vans that are designed to carry 16 or more people including the driver. This endorsement is necessary for school bus drivers, city bus drivers, and anyone else who operates large passenger vehicles for commercial purposes in Michigan.
