Combination #2
Combination Vehicles Practice Test | Maryland 2024 #2 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 2024, 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
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.