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.
See the exact questions that will be on the 2025 Maryland DMV exam.
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2025 Maryland | Frequently Asked Questions
To secure a CDL Bus endorsement in Maryland, you need to have a valid Maryland CDL. Then, pass the Passenger Transport Test and the School Bus Endorsement Test. Complete a school bus driver training program approved by the Maryland Department of Education. Lastly, pass a background check and submit a medical examiner's certificate.
To obtain a CDL Bus license, you need a valid driver's license, pass the written CDL general knowledge test and the passenger endorsement test. Complete a training program specific to driving a bus. Pass a bus driving skills test, which includes a pre-trip vehicle inspection, basic vehicle control, and on-road driving. Lastly, pass a medical examination.
Yes. To obtain a CDL Bus endorsement, you must first have a Commercial Driver's License (CDL). Additionally, you need to pass the Passenger Transport Test and the School Bus Endorsement Test. Some states, including Maryland, also require completion of a state-approved school bus driver training program. Practical driving experience is highly recommended.
CDL Bus licenses in Maryland fall under three classifications: Class A, B, and C. Class A is for vehicles with a combined weight over 26,001 lbs. where the towed vehicle is over 10,000 lbs. Class B is for single vehicles over 26,001 lbs. or towing a vehicle not over 10,000 lbs. Class C is for vehicles designed to transport 16 or more passengers including the driver.
No, you cannot use your personal vehicle for the CDL Bus driving test. The vehicle you use must match the type and class of license you're applying for. Therefore, you should use a commercial bus for the test. This rule ensures you can operate the vehicle safely under real-world conditions.
During the CDL Bus driving test, you're evaluated on specific skills such as vehicle inspection, basic controls (backing, turning, stopping), and on-road driving. This includes navigating through intersections, railway crossings, curves, and turns. Also assessed are your abilities to manage passenger entry and exit, respond to emergencies, and handle specific school bus situations.
Yes, additional medical prerequisites are required for a CDL Bus endorsement in Maryland. Applicants must pass a Department of Transportation (DOT) medical examination, which includes vision and hearing tests. They must also demonstrate physical ability to perform bus driver duties, such as operating controls, opening emergency exits, and assisting passengers if necessary.
No, it's not permissible to transport passengers without a valid CDL Bus endorsement in Maryland. This endorsement is required for drivers who wish to operate a vehicle designed to carry 16 or more passengers, including the driver. Driving such a vehicle without the appropriate endorsement could result in significant fines and penalties.
The CDL Bus endorsement can be added to your existing CDL in Maryland. You don't need to apply for a new license. However, you'll need to pass the passenger transport test and possibly a skills test in a bus-like vehicle. Also, you must maintain a valid DOT medical card. It's recommended to check with the MVA for specific requirements.
Yes, drivers with a CDL Bus endorsement in Maryland must adhere to specific restrictions and limitations. These include obeying all traffic laws, maintaining a clean driving record, passing regular physical examinations, and not driving under the influence of alcohol or drugs. Also, drivers must ensure the safety of all passengers and comply with regulations regarding maximum driving hours.
