Tank #2
Tank Endorsement Test | South Dakota 2026 #2 Page 2 of 3
Train for FREE with our South Dakota tank endorsement practice test online. 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 tank 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 CDL tank vehicle endorsement may vary from state to state.
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8 . In the event of a cargo fire, opening trailer doors may cause a fire to expand because:
It will provide more light.
In the event of a cargo fire, you should not open the trailer doors. Doing this could cause the fire to flare up by giving it access to more oxygen.
9 . If a driver has stopped on the road and is placing triangles to warn other motorists:
For your own safety, when placing reflective warning triangles, you should carry them between your body and the oncoming traffic.
10 . Tanks have high centers of gravity, which means:
They are easy to steer.
Tank vehicles have high centers of gravity, which makes them vulnerable to rollover.
11 . In the event of a fire, what should you do before opening trailer doors?
If you are experiencing a truck fire, you should not attempt to open trailer doors without first feeling the doors to see if they are hot. If the doors are hot, there may be a cargo fire. In this case, leave the doors closed because opening the doors could worsen the fire by supplying it with more oxygen.
12 . How long do shippers need to keep a copy of shipping papers for hazardous materials?
10 years
Shippers of hazardous materials must retain a copy or electronic image of the associated shipping papers for at least two years from the date that the material is accepted by the initial carrier. For hazardous waste, this increases to three years.
13 . Drowsy driving is most common during:
Drowsy driving is most common during the night because people are naturally prone to be less alert in the hours during which they are normally asleep. If you must drive at night, take every precaution to prevent fatigued driving.
14 . What is a drawback of retarders?
A retarder is a device that helps to slow a vehicle, reducing the need for a driver to use the brakes. However, these devices can be noisy and are not permitted everywhere.
See the exact questions that will be on the 2026 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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2026 South Dakota | Frequently Asked Questions
In South Dakota, a Commercial Driver's License (CDL) Class B is required to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not in excess of 10,000 pounds. This includes buses, farm labor vehicles, and any vehicle designed to transport 16 or more passengers.
A Class B CDL in South Dakota permits you to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or tow a vehicle not exceeding 10,000 pounds. This includes large buses, segmented buses, dump trucks with small trailers, straight trucks and delivery trucks.
To acquire a Class B CDL license in South Dakota, you must be at least 18 years old (21 if you plan to drive across state lines), have a valid South Dakota driver's license, pass a vision test, and successfully complete both the written and skills tests for the Class B CDL. You must also provide proof of your identity, social security number and South Dakota residency.
In South Dakota, you must be at least 18 years old to qualify for a Class B Commercial Driver's License (CDL). However, if you plan to drive commercial vehicles across state lines or transport hazardous materials, you must be at least 21 years old. This age requirement is consistent with federal law.
Yes, specific endorsements may be necessary depending on the type of vehicle you plan to drive or cargo you plan to carry with a Class B CDL. For example, you may need a Passenger endorsement for buses, a School Bus endorsement for school buses, or a Hazardous Materials endorsement for transporting hazardous materials. Each endorsement requires additional testing.
The Class B CDL skills assessment in South Dakota includes three parts: pre-trip inspection, basic control skills, and on-road driving. The pre-trip inspection tests your ability to assess vehicle safety. Basic control skills focus on maneuvers like backing up. Lastly, the on-road test assesses your ability to safely operate the vehicle in various traffic situations and road conditions.
Yes, there are limitations for Class B CDL license holders. They are licensed to operate vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or a vehicle towing another vehicle not exceeding 10,000 pounds. They cannot operate Class A vehicles unless they have the appropriate endorsement. Also, interstate driving is restricted to drivers aged 21 and above.
In South Dakota, the written Class B CDL test is primarily administered in English. However, some locations may offer it in Spanish. It's important to check with the local DMV office in advance. Keep in mind that English proficiency is required to obtain a CDL, as federal regulations mandate understanding of English to drive commercial vehicles.
Yes, you can request accommodations for the Class B CDL written exam in South Dakota if you have a disability. You'll need to provide documentation of your disability and specify the type of accommodation you're requesting. South Dakota is committed to providing equal access to testing opportunities for all individuals. It's advised to make your request well in advance of your scheduled test date.
Yes, if you fail the Class B CDL written test in South Dakota, you are allowed to retake it. However, you must wait one day before retaking the test. If you fail three times, you will have to wait 60 days before attempting again. It's advisable to study thoroughly and use practice tests to prepare for your next attempt.
