FREE CDL Combination Vehicles Practice Test Online | Maryland 2024 Page 2 of 3
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 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 DMV requirements for issuing a combination license may vary from state to state.
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8 . 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.
9 . Pull out the trailer air supply control to test:
The landing gear.
Be sure to test the trailer emergency brakes before beginning a trip. After ensuring that the trailer rolls freely, you can test the emergency brakes by pulling out the trailer air supply control, or placing it in the "emergency" position. Pull forward slightly with the tractor and make sure the trailer does not move.
10 . Before backing your tractor under the trailer, make sure your trailer brakes are:
Dry.
Correctly following the steps to couple and uncouple trailers is vital to safely operating a combination vehicle. Before backing your tractor under the trailer while coupling, make sure your trailer brakes are locked.
11 . When backing up to couple a trailer, you should position the tractor:
At a 60-degree angle in front of the trailer.
When backing up to couple a trailer, you should position the tractor directly in front of the trailer. Trying to couple while backing at an angle could cause the trailer to move and the landing gear to break.
12 . 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.
13 . 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.
14 . In a sudden turn, the ____ trailer is the most likely to turn over.
First
When making a turn, be sure to steer gently and smoothly. Making a quick turn while pulling trailers is dangerous and can increase the risk of the last trailer rolling over.
2024 Maryland | Frequently Asked Questions
A CDL Class A license in Maryland allows holders to operate any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 or more pounds, provided the Gross Vehicle Weight Rating (GVWR) of the vehicle(s) being towed is in excess of 10,000 pounds. It typically covers tractor-trailers, truck and trailer combinations, and flatbeds.
A Class A CDL license allows you to operate vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds. These vehicles typically have a Gross Combination Weight Rating (GCWR) of 26,001 or more pounds, with the vehicle(s) being towed exceeding 10,000 pounds GVWR.
To obtain a Class A CDL license in Maryland, you must be at least 18 years old (21 for interstate driving), possess a valid non-commercial driving license, and pass a medical examination. You'll also need to pass written knowledge tests and a skills test, which includes a pre-trip vehicle inspection, a basic controls test, and an on-road driving examination.
In Maryland, you must be at least 18 years old to qualify for a Class A CDL license. However, please note that if you're under 21, you're only permitted to drive within the state (intrastate). To drive across state lines (interstate) or to carry hazardous materials, you must be at least 21 years old.
Endorsements are not required for a Class A CDL license, but they can expand your driving capabilities. For instance, H endorsement allows you to haul hazardous materials, N endorsement permits you to operate tank vehicles, and T endorsement enables you to tow double or triple trailers. Each endorsement requires passing a specific knowledge test.
The Class A CDL skills test in Maryland encompasses three areas. First, there's a pre-trip vehicle inspection to ensure the vehicle is safe to drive. Next is the basic controls test to assess your ability to control the vehicle. Finally, there's an on-road driving examination where you'll demonstrate your ability to drive safely in various road and traffic conditions.
Yes, there are limitations. Class A CDL license holders in Maryland are subject to federal regulations and state laws. They must not exceed the maximum allowed driving hours, must maintain a logbook, and undergo regular drug and alcohol testing. Restrictions may also be placed on the license due to the driver's medical conditions or lack of certain endorsements.
Yes, in Maryland, the written Class A CDL test can be taken in several languages other than English. These include Spanish and French, among others. However, the Federal Motor Carrier Safety Administration requires all commercial drivers to read and speak English sufficiently to converse with the general public, understand traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, you can request accommodations for the Class A CDL written test due to disability in Maryland. The Motor Vehicle Administration (MVA) provides reasonable accommodations for individuals with disabilities according to the Americans with Disabilities Act (ADA). You should contact your local MVA office in advance to discuss your specific needs and arrange suitable accommodations.
Yes, you can retake the Class A CDL written test in Maryland if you fail on your first attempt. You will need to wait at least 3 days before retaking the test. There may be additional fees for each retest. It's recommended to study thoroughly before reattempting to increase your chances of passing.