Knowledge Test Class B #2
Class B Driving Test | Kentucky 2026 #2 Page 2 of 7
Train for FREE online with our Kentucky 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 KY CDL class B permit in 2026, 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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8 . If a tire fails, you should:
Braking after a tire fails can result in a loss of control. Stay off your brakes, if possible, until your vehicle has slowed considerably.
9 . Driving a CMV with any measurable amount of alcohol in your system will result in being placed out-of-service for:
If you are found to have any detectable amount of alcohol in your system, but you are still below the legal limit of 0.04 percent, you will be placed out-of-service for 24 hours.
10 . When checking tires, which of the following should not cause concern?
When checking the tires as part of a pre-trip inspection, make sure the tires have sufficient tread. There should be at least 4/32 of an inch of tread in every major groove of the front tires, and at least 2/32 of an inch of tread depth on the other tires. Tires should not be mismatched in size and radial and bias-ply tires should not be used together.
11 . If an unusual noise or feeling occurs in a vehicle while it is being driven, the driver should:
If you see, hear, smell, or feel anything while driving that does not feel right, you should have it checked out.
12 . A poor balance of weight in a trailer:
Poorly balanced weight in a trailer can make handling unsafe. For example, either too little or too much weight on the front axle can make a vehicle difficult to steer. Weight should be distributed evenly from front to back and from side to side. It should be distributed as low as possible.
13 . A low air pressure warning signal should activate:
When tank pressure falls below 5 psi.
