Knowledge Test Class B #1
Class B Driving Test | Minnesota 2024 #1 Page 6 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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36 . When driving:
You should always use turn signals to warn others about your intentions.
It is important to communicate your intentions to others on the road. Make sure to signal before turning or changing lanes, even if no other vehicles are nearby.
37 . In cold weather, an alcohol evaporator should be checked and filled:
Once a month.
An alcohol evaporator can help prevent ice from building up in an air brake system. In cold weather, the evaporator should be checked and refilled every day.
38 . Header boards:
Front-end header boards, also known as "headache racks," protect the driver from cargo moving in the event of a crash or emergency stop.
39 . Mirrors should be adjusted only after a vehicle has been driven for at least 15 minutes.
Proper mirror adjustment is essential to the safe operation of a vehicle. Mirrors should be adjusted prior to the start of any trip.
40 . On a flatbed trailer, a load does not need to be tied down if it is heavy enough.
On flatbed trailers and on trailers without sides, cargo must be tied down to prevent it from shifting or falling off in transit. You should be aware of tie-down requirements for your particular cargo.
41 . During an applied leakage test, the maximum leakage rate for a double combination vehicle is:
4 psi in a minute.
