Knowledge Test Class B #1
Class B Driving Test | Maryland 2025 #1 Page 5 of 7
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 2025, 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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29 . When changing lanes:
Always use your turn signals and check your mirrors when changing lanes.
30 . A liver can process about ____ per hour.
The faster you drink, the higher your blood alcohol content (BAC) will become. The liver removes alcohol from a body at a fixed rate of about one drink per hour.
31 . Wheel rims that have been welded should:
Wheels or rims that have had welding repairs are not safe to be used.
32 . Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when:
Driving uphill.
Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when air tank pressure falls to a level between 20 and 45 psi. You can do this by chocking the wheels and releasing air from the braking system by stepping on and off the brake pedal. Once the pressure drops to an unsafe level, the parking brake valve should pop out and spring brakes should come on.
33 . What is a drawback of retarders?
A retarder is a device that helps to slow a vehicle, reducing the need for a driver to use the brakes. However, these devices can be noisy and are not permitted everywhere.
34 . If driving through flowing water or a large puddle, you should:
It is best to avoid driving through large puddles or moving water. If there is no way to avoid driving through water, you should slow down, shift into a low gear, and gently apply the brakes. Pressing linings against the brake drums or discs will keep water, mud, silt, and sand from getting inside the brake mechanisms.
35 . When braking while ABS is activated, you should:
Brake softer than you normally would.
In a vehicle equipped with an Anti-Lock Braking System (ABS), you should apply the brakes in the same manner that you would if you were driving without ABS.
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2025 Maryland | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in Maryland, you must first have a valid CDL. Then, pass a Transportation Security Administration (TSA) background check. After clearance, study for the Hazmat knowledge test using the Maryland CDL Manual. Schedule and pass the knowledge test at a Maryland MVA office. Once passed, the Hazmat endorsement will be added to your CDL.
To obtain a CDL Hazmat license, you must first hold a valid Commercial Driver's License (CDL). You'll also need to pass a background check by the Transportation Security Administration (TSA), provide proof of U.S. citizenship or lawful permanent residency, and pass the Hazardous Materials Endorsement Knowledge Test. A medical examination ensuring you are physically fit to operate a commercial vehicle is also required.
When applying for a CDL Hazmat endorsement, you need to provide proof of U.S. citizenship or lawful permanent residency (passport, birth certificate, or green card), a valid Commercial Driver's License (CDL), and proof of Social Security number. You also need to complete a Hazardous Materials Endorsement application and submit to a TSA background check.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. This test covers topics related to the transport of hazardous materials, including handling procedures, emergency situations, and federal regulations. You must pass this Hazardous Materials Endorsement Knowledge Test to obtain the endorsement on your Commercial Driver's License (CDL).
The CDL Hazmat endorsement written test covers several topics, including: the identification of different types of hazardous materials, loading and unloading procedures, proper placarding and marking of vehicles, emergency response procedures in case of a hazardous material incident, and understanding the federal regulations related to hazardous materials transportation.
Yes, there are extra charges associated with acquiring a CDL Hazmat endorsement. These include a fee for the written test, a fee for the endorsement itself, and a fee for the required TSA background check. The exact cost can vary, so it's best to check with the Maryland Motor Vehicle Administration for current prices.
Yes, obtaining a CDL Hazmat endorsement requires a federal security threat assessment, which includes a background check. The Transportation Security Administration (TSA) conducts this check. It involves fingerprinting and reviewing criminal, immigration, and terrorism records to ensure the applicant doesn't pose a security risk.
Yes, specialized training is mandatory for the CDL Hazmat endorsement in Maryland. Applicants must pass a written test based on the information contained in the Hazardous Materials section of the CDL Manual. After passing the test, an applicant must undergo a TSA background check before the endorsement is granted.
No, you cannot transport hazardous materials without a valid CDL Hazmat endorsement in Maryland. This endorsement ensures that drivers have the necessary knowledge and training to handle such materials safely. Driving without the proper endorsement can result in significant fines and penalties.
Yes, you can add the CDL Hazmat endorsement to your current CDL license in Maryland. You don't need to apply for a new CDL. However, you must pass the Hazmat knowledge test and undergo a Transportation Security Administration (TSA) background check to obtain the endorsement.
