Knowledge Test Class B #2
Class B Driving Test | Maryland 2026 #2 Page 6 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 2026, 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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36 . If planning to change lanes, your mirrors should:
While regular mirror checks should be part of your normal scanning routine, be especially sure to check your mirrors when changing lanes.
37 . In icy conditions, a retarder should be:
A retarder may cause a skid when traction is poor, such as when a road is icy, and should therefore be turned off in such conditions.
38 . When traveling down a downgrade, the speed of a vehicle will likely:
The force of gravity will cause a vehicle's speed to increase when traveling downhill.
39 . 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.
40 . How much water is needed on a road surface for a vehicle to hydroplane?
No water
Hydroplaning is an effect in which a vehicle's tires lose traction with the surface of the road and instead glide along a layer of water. There does not have to be much water on the road for this to occur.
41 . Which of the following is not a warning sign of fatigue?
Staying within your lane
Possible warning signs of fatigue include trouble focusing, frequent blinking, or eyelids that feel heavy; repeated yawning; rubbing your eyes; daydreaming, or having wandering or disconnected thoughts; trouble remembering the last few miles; missing exits or traffic signs; trouble keeping your head up; drifting from your lane, following too closely, or hitting a rumble strip; and feeling restless or irritable.
42 . When starting a vehicle with dual air brakes, pressure of ____ should be built up in the system before it is driven.
200 psi
Before driving a vehicle with a dual air brake system, allow time for the air compressor to build up pressure of at least 100 psi in both the primary and secondary systems.
See the exact questions that will be on the 2026 Maryland DMV exam.
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2026 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.
