Knowledge Test Class B #2
Class B Driving Test | Minnesota 2024 #2 Page 3 of 7
Train for FREE online with our Minnesota 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 MN CDL class B permit 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 CDL class B requirements may vary from state to state.
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15 . When operating a CMV, it is illegal to have a blood alcohol content (BAC) of 0.04 percent or higher.
It is illegal to operate a CMV if your blood alcohol concentration (BAC) is 0.04 percent or higher.
16 . Mirrors should be checked:
Always check for traffic in your mirrors before changing lanes. Frequent mirror checks should be a part of your normal scanning routine.
17 . Brakes can get out of adjustment:
If brakes on one side are used more often than brakes on the other side.
Brakes are particularly prone to getting out out adjustment if they are hot. Use proper braking techniques to avoid letting your brakes overheat.
18 . 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.
19 . If confronted by an aggressive driver, you should:
Report the driver.
If confronted by an aggressive driver, it is most important to get out of their way. Avoid making eye contact and do not gesture at them. Report them to the appropriate authorities once you can safely do so.
20 . Which of the following surfaces provides the least amount of traction?
Dry pavement
