20 Tests

CDL Class B Driving Test Online | Wisconsin 2021

Train for FREE online with our Wisconsin 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 WI CDL class B permit in 2021, practice as much as.. Read More

Train for FREE online with our Wisconsin 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 WI CDL class B permit in 2021, 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 . When stopping in an emergency situation, you should:

If you need to make an emergency stop, you can use either the controlled braking method or the stab braking method. It's important to brake in a way that keeps your vehicle in a straight line but will still allow you to turn if necessary.

2 . In general, the length limit for a single vehicle and load is:

60 feet. Under Wisconsin law, the length of a single vehicle and its load is limited to 40 feet.

3 . When you press the brake pedal in a vehicle with S-cam brakes, air pressure pushes out the rod and moves the:

Alcohol evaporator. When pressing the brake pedal in a vehicle with S-cam brakes, air will enter the brake chambers. The added air pressure will push out the rods and move slack adjusters, twisting the brake camshafts.

4 . If asked by a law enforcement officer to take a test to determine your blood alcohol concentration (BAC):

Most states have an Implied Consent Law, which means that by driving a vehicle on the state's roads, you have agreed to undergo a drug or alcohol test if a police officer asks you to do so. If you refuse to submit to a test, you will lose your operating privileges. Make sure you are aware of the laws for every state in which you drive.

5 . In general, the legal maximum width of a vehicle and load is:

12 feet In general, Wisconsin law limits the width of a vehicle (including its load) to no more than 8 feet, 6 inches.

6 . 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.

7 . A tread depth of ____ should be in every major groove of a tire that is not in the front of a commercial motor vehicle.

For safe operation, a commercial motor vehicle needs a tread depth of 4/32 of an inch in every major groove on the front tires, and a tread depth of 2/32 of an inch on other tires.

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