Combination #1
Combination Vehicles Practice Test | Maryland 2025 #1
Train for FREE online with our Maryland CDL combination vehicle 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 combination license 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 DMV requirements for issuing a combination license may vary from state to state.
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1 . Glad hands are:
Pleased drivers.
On trailers with air brakes, glad hands are coupling devices used to connect the air lines of the tractor to those of the trailer.
2 . When driving while pulling trailers, you should:
You should always steer gently and smoothly while pulling a trailer. Making sudden steering moves could cause the trailer to tip over.
3 . The trailer hand valve:
Should only be used when transporting cargo.
The trailer hand valve should not be used for parking. This could cause all of the air to leak out of the braking system, resulting in the brakes releasing. Instead, use the parking brake.
4 . What can the “crack-the-whip” effect do?
Make trucks decelerate.
The "crack-the-whip" effect can cause a trailer to turn over during a lane change. To avoid this phenomenon, drivers should make lane changes at slow, safe speeds.
5 . After connecting the air lines to the trailer while coupling, you should:
Connect the electrical cord.
Correctly following the steps to couple and uncouple trailers is vital to safely operating a combination vehicle. After connecting the air lines to the trailer while coupling, you should supply air to the trailer.
6 . Driving a combination vehicle ____ than driving a single vehicle.
Is safer in inclement weather
Driving a combination vehicle usually requires more skill than driving a single vehicle. Combination vehicles are generally longer and heavier than single commercial vehicles.
7 . What is a tractor protection valve?
A tractor protection valve keeps air in a tractor or truck air brake system should the trailer break away or develop a bad leak. The valve will close automatically if the pressure drops to an unsafe level.
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.
