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.
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2025 South Dakota | Frequently Asked Questions
To acquire a CDL Passenger endorsement in South Dakota, you need to first have a valid commercial driver's license (CDL). Next, study the Passenger endorsement section in the SD CDL manual. Afterwards, apply at your local DMV and pass the written Passenger endorsement test. Finally, complete the required training hours and pass the skills test.
To obtain a CDL Passenger license in South Dakota, you must be at least 21 years old, possess a valid CDL and pass the Passenger Endorsement Knowledge test. You also need to pass a driving skills test in the type of vehicle you plan to drive. A medical examination is required too, proving that you're physically capable to drive a commercial vehicle.
Yes, to secure a CDL Passenger endorsement, you need specific training. After passing the Passenger Endorsement Knowledge test, you must complete a skills test in the type of vehicle you plan to drive. This includes pre-trip vehicle inspection, basic vehicle control, and on-road driving. Hands-on training or experience driving commercial passenger vehicles is highly recommended before taking these tests.
Yes, to obtain a CDL Passenger endorsement in South Dakota, you must pass the Passenger Endorsement Knowledge test. This written exam covers topics like vehicle inspection, loading and trip start, on the road, after-trip vehicle inspection, prohibited practices, and use of brake-door interlocks. Passing this test is mandatory in addition to the standard CDL written test.
During the CDL Passenger endorsement assessment in South Dakota, you'll be required to demonstrate a pre-trip vehicle inspection, basic vehicle control, and on-road driving. These skills include checking safety equipment, controlling the vehicle under various conditions, and navigating through traffic. You also need to show understanding of passenger safety procedures and appropriate response in emergency situations.
No, you cannot legally transport passengers in South Dakota without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive a vehicle designed to carry 16 or more passengers, including the driver. Driving without the appropriate endorsement can lead to serious penalties, including fines and suspension of your commercial driving privileges.
You can add the CDL Passenger endorsement to your existing commercial driver's license in South Dakota. You don't need a new application. However, you must pass the Passenger Transport written test and the skills test in a passenger vehicle. Once you pass these tests, the endorsement will be added to your CDL.
Yes, there are specific restrictions for drivers with a CDL Passenger endorsement in South Dakota. These include maintaining a clean driving record, passing a background check, and undergoing regular drug and alcohol testing. Additionally, drivers must obey all traffic laws, ensure passenger safety, and comply with federal and state transportation regulations. Failure to adhere to these rules can result in the loss of the endorsement.
Yes, there are age-related prerequisites for acquiring the CDL Passenger endorsement in South Dakota. Applicants must be at least 21 years old to drive commercial vehicles across state lines (interstate) or 18 years old for within the state (intrastate). Additionally, all applicants must possess a full, valid driver's license before applying for a commercial driver's license.
With a CDL Passenger endorsement in South Dakota, you'll be eligible to operate vehicles like buses, shuttles, and any other commercial vehicle designed to carry 16 or more passengers, including the driver. This endorsement is particularly useful for those wishing to drive city buses, tour buses, school buses (additional school bus endorsement required), and certain types of limousines.
