Knowledge Test Class B #2

FREE CDL Class B Driving Test Online | Illinois 2024

Train for FREE online with our Illinois 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 IL CDL class B permit in 2021, practice as much as..

Train for FREE online with our Illinois 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 IL 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 . To obtain a CDL for interstate commerce, an applicant must be at least:

25 years old. You must be at least 21 years old to operate a motor vehicle involved in interstate commerce.

2 . The maximum width for any vehicle is:

12 feet. In Illinois, a vehicle may be no more than 8 feet, 6 inches in width. There are specific exceptions to this rule for certain farm equipment and buses.

3 . A low air pressure warning signal should activate:

When tank pressure falls below 5 psi. In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.

4 . Using an Anti-Lock Braking System (ABS):

Provides more control. An Anti-Lock Braking System (ABS) helps prevent wheel lockup during hard braking. While it provides better control, it does not necessarily shorten a vehicle's stopping distance.

5 . On slippery roads, you should:

Accelerate and decelerate frequently. Make sure to drive slowly and smoothly on slippery roads. Do not pass slower vehicles unless it is necessary to do so. Avoid frequently changing your speed under such conditions.

6 . Water and compressor oil are usually found in the compressed air within an air brake system. Water and compressor oil:

Are not concerns. Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Manually operated air tank drains must be opened daily to remove this build-up.

7 . You may acquire no more than ____ points during the basic vehicle control skills test.

15 Acquiring more than 12 points during the basic vehicle control skills test will result in an automatic failure of the test.

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