Knowledge Test Class B #2
Class B Driving Test | South Dakota 2025 #2 Page 2 of 7
Train for FREE online with our South Dakota class B license 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 CDL class B permit 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 CDL class B requirements may vary from state to state.
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8 . When coming to a stop, you should apply the brake pedal by:
When stopping, you should push the brake pedal down gradually. Braking gradually will help you to maintain proper control of your vehicle.
9 . If you plan to slow down, you can warn drivers behind you by:
Putting your hand out the driver's side window and waving.
Before slowing down, it is a good idea to flash your brake lights by lightly tapping your brake pedal a few times. This will warn drivers behind you of your plans to slow down.
10 . If being tailgated, you should:
If you are being tailgated, you should increase the distance between your vehicle and the vehicle ahead of you. This reduces the need for you to make sudden changes in speed or direction while making it easier for the tailgater to pass your vehicle.
11 . How can you check hydraulic brakes?
Check hydraulic brakes by pumping the brake pedal three times before applying firm pressure to the pedal for five seconds. The pedal should not move. If it does, there may be a leak or some other problem in the braking system.
12 . In hot weather, spots on the pavement where tar is bleeding:
Tar in road pavement often rises to the surface of the road, or "bleeds," in very hot weather. Watch for such areas because they can be very slippery.
13 . When starting a vehicle, the coolant temperature gauge should:
Flash until it reaches the normal operating range.
Keep an eye on the gauges after starting the engine. The coolant temperature gauge should begin a gradual rise to the normal operating range.
14 . How much distance will an air brake-equipped vehicle need to come to a complete stop if it is traveling at 55 mph under ideal driving conditions?
A vehicle's total stopping distance is made up of perception distance, reaction distance, brake lag distance, and braking distance. With all of these factors included, an air brake-equipped vehicle traveling at a speed of 55 mph under ideal driving conditions will need approximately 450 feet to come to a complete stop.
See the exact questions that will be on the 2025 South Dakota DMV exam.
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Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
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2025 South Dakota | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in South Dakota, you must already possess a Commercial Driver's License (CDL). Then, you need to pass the Doubles/Triples Endorsement knowledge test. Study the relevant sections in the South Dakota CDL Manual beforehand. After passing the test, you'll receive your endorsement. Remember, driving experience with these types of vehicles is recommended.
To obtain a CDL Doubles/Triples license, you must already have a Commercial Driver's License (CDL). Then, pass the Doubles/Triples endorsement knowledge test. This test covers information found in the South Dakota CDL manual. It is also beneficial to have practical experience driving these types of vehicles, although not required. After passing the test, you'll receive your endorsement.
While specialized experience or training isn't a legal requirement for a CDL Doubles/Triples endorsement in South Dakota, it's highly recommended. Knowledge of handling these vehicles can be beneficial for the endorsement knowledge test. Studying the South Dakota CDL Manual, particularly sections on Doubles/Triples, is essential. Practical experience can also increase your chances of passing the driving test.
Yes, to obtain a CDL Doubles/Triples endorsement in South Dakota, you must pass an additional knowledge test specifically for Doubles/Triples. This test covers topics like coupling and uncoupling, inspecting doubles and triples, and handling these types of vehicles. The information for this test is found in the South Dakota CDL Manual.
The CDL Doubles/Triples endorsement test in South Dakota is a knowledge test, not a skills test. Therefore, you won't need to showcase any specific maneuvers. However, the test will cover topics such as coupling and uncoupling, inspecting doubles and triples, and the procedures for handling these types of vehicles. It's essential to understand these aspects thoroughly.
No, it is not permissible. In South Dakota, you must have a valid Commercial Driver's License (CDL) with a Doubles/Triples endorsement to legally operate double or triple trailers. Operating these vehicles without the proper endorsement can result in serious penalties, including fines and potential suspension of your CDL.
To add the CDL Doubles/Triples endorsement to your current license in South Dakota, you will need to initiate a new application. You cannot simply append the endorsement to your existing license. You will have to meet the requirements, including passing the knowledge test and paying the necessary fees, to obtain the endorsement.
Yes, there are some limitations for drivers holding a CDL Doubles/Triples endorsement. These drivers are only allowed to operate double and triple trailers. They cannot operate other types of commercial vehicles unless they have the appropriate endorsements. Also, they must follow all federal and state regulations regarding maximum weight, length, and safety requirements for double/triple trailers.
In South Dakota, the maximum legal weight for a vehicle (including double/triple trailers) is 80,000 pounds. The maximum length for a double trailer is 81.5 feet and for triple trailers, it's 103 feet. However, these limits can be exceeded with special permits, which are issued based on factors like route capacity and vehicle configuration.
Yes, there are specific safety guidelines. Drivers with a CDL Doubles/Triples endorsement must perform regular inspections to check brakes, tires, lights, and other safety equipment. They must also follow special procedures for coupling and uncoupling trailers, and they must maintain safe following distances to allow for the increased stopping time needed for these larger vehicles.
