It is always important to have enough water and antifreeze in a vehicle's cooling system. Despite the name, antifreeze is beneficial to an engine even in hot weather.

Both when it is cold and hot outside.

But only if it is cold outside.

Both when it is cold and hot outside.

During a pre-trip inspection, you should verify that the air pressure is neither too low nor too high in any of your tires.

A consistent name brand across all of your tires.

Too much air pressure in your tires.

Too little air pressure in your tires.

A consistent name brand across all of your tires.

A steering wheel should be held firmly with each hand on opposite sides of the wheel.

Held with both hands to ensure an adequate grip.

Held with one hand while the other hand rests.

Held with both hands to ensure an adequate grip.

Released if the vehicle is approaching a bump.

All commercial motor vehicles are required to be equipped with the proper emergency equipment. This may include spare electrical fuses; three red reflective triangles, six fuses, or three liquid burning flares; and at least one properly charged and rated fire extinguisher.

Have a fire extinguisher and other emergency equipment.

Not have a fire extinguisher, unless it is being used to transport hazardous materials.

Not have a fire extinguisher, unless it will be traveling through remote areas.

Have a fire extinguisher and other emergency equipment.

Class B Driving Test | Michigan 2025 #2 Page 7 of 7

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.

Number of Question 50

Passing Score 40

Number of Tests 20

Class B Driving Test | Michigan 2025 #2 Page 7 of 7

43 . Which gas would cause concern due to a faulty exhaust system?

44 . When applying your brakes, the vehicle should:

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

46 . The minimum acceptable tread depth for rear tires is:

47 . Antifreeze helps to keep an engine functioning properly:

48 . When inspecting your vehicle, you should check for all of the following, except:

49 . A steering wheel should be:

50 . A CMV should:

See the exact questions that will be on the 2025 DMV exam.

Wait, before you go