Combination #1
Combination Vehicles Practice Test | South Dakota 2025 #1
Train for FREE online with our South Dakota 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 SD 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 . When driving with trailers, you should:
To reduce the risk of tipping over when driving with a trailer, you should steer gently and smoothly. Avoid making sudden movements.
2 . Combination vehicles:
Driving combination vehicles requires more skill than driving single commercial vehicles. Combinations are generally longer, generally heavier, and are more vulnerable to rollover.
3 . If color-coded, which color is used to identify service 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.
4 . When driving a tractor-trailer equipped with ABS, you should:
Brake using less pressure than you would otherwise use.
When driving a tractor-trailer combination equipped with an Anti-Lock Braking System (ABS), you should brake in the same manner that you would in a vehicle without ABS.
5 . Rollovers happen when:
ABS is working effectively.
Rollovers happen when a vehicle is driven too fast. To reduce the risk of rollover, make sure the weight of cargo is loaded low to the ground, and that you take turns and curves slowly.
6 . In a double or triple combination, the ____ trailer should be directly behind the cab.
When positioning trailers in a combination, the most heavily-loaded trailer should be the closest to the tractor. The lightest trailer should be positioned in the rear.
7 . When should the trailer hand valve be used?
The trailer hand valve, also called the trolley valve or Johnson bar, is used to work the trailer brakes. It should be used only to test the brakes. Using it while a vehicle is in motion could cause a skid.
See the exact questions that will be on the 2025 South Dakota DMV exam.
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2025 South Dakota | Frequently Asked Questions
To acquire a CDL Tank endorsement in South Dakota, you must first have a Commercial Driver's License (CDL). Then, study the Tank Vehicle section of the South Dakota CDL Handbook. After you've mastered the material, schedule and pass the tank vehicle endorsement test at your local DMV. The test covers topics like inspecting tank vehicles, driving tank vehicles, and safe driving rules.
To obtain a CDL Tank license, you must first have a Commercial Driver's License (CDL). You then need to study the Tank Vehicle section of your state's CDL manual. Once prepared, schedule and pass the Tank endorsement test at your local DMV. This test covers inspecting tank vehicles, driving tank vehicles, and safe driving rules.
While specific training or experience is not legally mandatory for a CDL Tank endorsement in South Dakota, it's highly recommended. You need to understand the specifics of operating tank vehicles, including inspecting and driving them safely. Studying the Tank Vehicle section of the South Dakota CDL Manual and passing the relevant DMV test are essential steps.
Yes, in order to receive a CDL Tank endorsement in South Dakota, you must pass an additional written test. This test focuses on the specifics of operating tank vehicles, such as safe driving rules and inspecting tank vehicles. It is separate from the general CDL written exam and requires additional study.
The written test for a CDL Tank endorsement in South Dakota covers several topics specific to tank vehicles. These include the inspection of tank vehicles, safe driving strategies, understanding the high center of gravity in tank vehicles, and managing surge. The test also covers procedures for emergencies, such as leaks or fires.
The CDL Tank endorsement doesn't usually involve a specific skills or maneuvers assessment. It primarily requires a written test. This exam covers topics such as inspecting tank vehicles, safe driving techniques, and understanding safety rules specific to tank vehicles. However, the general CDL test does assess practical skills and maneuvers for operating commercial vehicles.
Drivers with a CDL Tank endorsement in South Dakota must adhere to specific limitations and regulations. They are required to fully comprehend and follow safety procedures, including managing tank-specific issues like liquid surge. Additionally, they must comply with weight restrictions and hazardous materials regulations if applicable. Violations may result in endorsement suspension or revocation.
No, in South Dakota, it is illegal to transport liquid or gas materials without a valid CDL Tank endorsement. A CDL Tank endorsement is required for the transportation of any liquid or gas substance in a tank vehicle, as it ensures that the driver has the necessary skills and knowledge to handle such materials safely.
You can add a CDL Tank endorsement to your current commercial driver's license. It's not necessary to apply for a new license. However, you must pass the Tank endorsement written test. Once you pass the test, the endorsement will be added to your existing CDL. Remember, each state may have slightly different procedures, so check with your local DMV.
Yes, handling hazardous materials with a CDL Tank endorsement in South Dakota requires additional certifications. Drivers must obtain a Hazardous Materials (HazMat) endorsement, which involves passing a written test and a TSA background check. It's crucial to understand and comply with federal and state regulations to ensure safety when transporting hazardous materials.
