Knowledge Test Class B #1

Class B Driving Test | Michigan 2025 #1

Train for FREE online with our Michigan class B license 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 CDL class B permit in 2025, practice as much as..

Train for FREE online with our Michigan class B license 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 CDL class B permit 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 CDL class B requirements may vary from state to state.

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1 . What is often found in compressed air?

Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Tanks must be drained regularly to remove this build-up.

2 . How many daily hours of sleep does an adult need to maintain alertness?

Four to five Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.

3 . When traveling down a steep grade, you switch into a lower gear:

You should shift your vehicle's transmission into a low gear before staring a downhill grade. Be prepared for gravity to increase your vehicle's speed when traveling downhill.

4 . In a dual air brake system, air pressure should build from 85 to 100 psi within ____ seconds.

When inspecting a vehicle with a dual air brake system, you should wait for air pressure to build from 85 to 100 psi in both the primary and secondary systems. This should take about 45 seconds.

5 . Refusing a preliminary breath test (PBT) will result in:

Michigan has an Implied Consent Law, which means that by operating a vehicle in the state, you are understood to have consented to a chemical test if authorities ask you for one. If you refuse to submit to a test, your CDL will be suspended for at least one year for a first-time offense. Refusing a preliminary breath test (PBT) will also result in being placed out-of-service for 24 hours.

6 . A person must be at least ____ to drive a CMV across state lines.

A driver must be at least 21 years old to operate a CMV in interstate commerce. Drivers may be 18 years old to drive a CMV only within the state of Michigan.

7 . Which of the following is not a type of distraction?

Distractions that can affect safe driving can be classified as physical (such as reaching for an object), mental (such as talking with passenger), or both (such as talking on a hand-held phone).

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2025 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.

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