Knowledge Test Class B #1

FREE CDL Class B Driving Test Online | Maryland 2024

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

Train for FREE online with our Maryland 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 MD 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 performing a pre-trip inspection and looking into the fifth wheel gap, you should:

When inspecting a tractor/trailer coupling, look into the fifth wheel gap and make sure the locking jaws are fully closed around the kingpin.

2 . Air brakes are:

A tool to improve fuel efficiency. As long as the brakes are properly maintained, using air brakes is a safe and effective method of stopping large, heavy vehicles.

3 . The radiator cap:

Never remove the radiator cap or any part of the pressurized cooling system until it has cooled. Opening the cap while the system is too hot could release steam and boiling water that could severely burn you. If the radiator cap is cool to the touch, the system is likely cool enough for you to open the cap.

4 . An Anti-Lock Braking System (ABS):

Beginning between 1997 and 1999, most commercial vehicles, trailers, and dollies are required to be equipped with ABS.

5 . Which of the following is not a type of retarder?

Electric Retarders are mechanisms in some vehicles that help slow a vehicle and reduce the need for braking. The four basic types of retarders are exhaust, engine, hydraulic, and electric.

6 . ABS allows you to:

The function of an Anti-Lock Braking System (ABS) is to help prevent wheel lockup during hard braking. With ABS equipped on your vehicle, you should drive and brake in the same manner that you would without it.

7 . A vehicle stopped at a green light may indicate that the driver:

Is very patient. It is important to observe other drivers' actions and identify clues that a person could be driving impaired. Drivers who have had too much to drink, are sleepy, are on drugs, or are ill can present hazards to other drivers. One sign that a driver may be impaired is that they stop in inappropriate places, such as at green traffic lights.

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