Combination #2
Combination Vehicles Practice Test | Maryland 2026 #2 Page 3 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 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 DMV requirements for issuing a combination license may vary from state to state.
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15 . 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.
16 . A lightly-loaded combination vehicle will stop more slowly than a fully-loaded vehicle because:
The suspension springs only operate when a trailer reaches a minimum weight.
An empty combination vehicle will come to a complete stop more slowly than a fully-loaded vehicle. The stiff suspension springs and strong brakes will have lower traction on a light trailer than they would if the vehicle carried more weight.
17 . If color-coded, which color is used to identify emergency, or supply, lines?
Air lines are sometimes color-coded to help drivers avoid mistakes when coupling glad hands. Typically, blue is used for service lines and red is used for emergency lines.
18 . The best way to recognize that your trailer has started to skid is by:
The easiest way to become aware that your trailer has begun to jackknife is to observe it in your mirrors. Checking your trailer in your mirrors will also allow you to spot any skidding at the earliest possible moment.
19 . When connecting a converter dolly to a second trailer, the trailer height should be ____ the center of the fifth wheel.
When connecting a converter dolly to a second or third trailer, the trailer height should correct. It should be slightly lower than the center of the fifth wheel.
20 . 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.
See the exact questions that will be on the 2026 Maryland DMV exam.
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2026 Maryland | Frequently Asked Questions
To acquire a CDL Tank endorsement in Maryland, you must first have a Commercial Driver's License (CDL). Next, study for the Tank endorsement test using Maryland's CDL manual. Once ready, schedule and pass the written test at your local Motor Vehicle Administration (MVA) office. Upon passing, the Tank endorsement will be added to your CDL.
To obtain a Commercial Driver's License (CDL) Tank endorsement in Maryland, you must have a valid CDL. You then need to pass the Tank Vehicle endorsement written test, which covers topics like inspecting tank vehicles, safe driving, and handling emergencies. The Maryland Motor Vehicle Administration (MVA) provides study materials for the test.
While Maryland does not specifically require training or experience to obtain a CDL Tank endorsement, passing the Tank Vehicle endorsement written test is mandatory. Gaining practical experience or undergoing training can be beneficial for understanding the nuances of operating a tank vehicle and could improve your chances of passing the test.
Yes, an additional written test is required to obtain a CDL Tank endorsement in Maryland. This test covers the specifics of operating a tank vehicle, including inspection, safe driving, and handling emergencies. It is separate from the general CDL written test and must be passed to receive the endorsement.
The written test for the CDL Tank endorsement in Maryland includes subjects such as the proper loading and unloading of cargo, the safe operation of tank vehicles, emergency procedures, and the recognition of potential hazards. Additionally, it covers topics like tank vehicle inspection, controlling liquid surge, and understanding the effects of liquid movement during acceleration, braking, and turning.
The CDL Tank endorsement written test assesses knowledge on specific aspects of operating a tank vehicle. These include understanding the tank's structure, inspecting the vehicle before and after trips, safe driving techniques, knowledge about high center of gravity, managing surge, handling emergencies, and awareness of different liquids and gases that may be transported.
Drivers with a CDL Tank endorsement are subject to federal and state regulations regarding hours of service, vehicle maintenance, and reporting. They must also adhere to specific safety procedures when loading, unloading, and transporting hazardous materials. Furthermore, they are required to maintain a clean driving record and may face restrictions based on health conditions.
No, liquid or gas materials cannot be transported without a valid CDL Tank endorsement. This endorsement is specifically required for commercial drivers who operate tank vehicles that transport liquid or gaseous materials. Driving such vehicles without the proper endorsement is illegal and can result in severe penalties, including fines and suspension of the driver's Commercial Driver's License (CDL).
The CDL Tank endorsement can be added to your current commercial driver's license. You don't need to apply for a fresh license. However, you will need to pass the Tank Vehicle endorsement written test and pay the required fee to add this endorsement to your CDL. Always check with your local DMV for specific requirements.
Yes, to handle hazardous materials with a CDL Tank endorsement, drivers must also obtain a HazMat endorsement. This involves passing a written test, submitting to a TSA background check, and paying an additional fee. Drivers must follow strict safety protocols when handling these materials and are subject to regular inspections.
