Knowledge Test Class A #2
Class A Driving Test | South Dakota 2026 #2 Page 6 of 7
Train for FREE online with our South Dakota class A 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 A permit 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 CDL class A requirements may vary from state to state.
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36 . What is Gross Combination Weight?
Gross Combination Weight (GCW) is the total weight of a powered unit, its trailer(s), and the cargo being carried.
37 . What color light indicates a vehicle's ABS is not working?
On vehicles with Anti-Lock Braking Systems (ABS), yellow malfunction lamps alert the driver to ABS malfunction.
38 . How can a person check for a leak in hydraulic brakes?
Remove the rear wheel and listen for a noise when the brake pedal is depressed.
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.
39 . A driver should stop after a short distance after changing a tire to:
Ensure that changing one tire did not damage another tire.
After a tire has been changed, you should stop after a short distance to re-check the tightness of the wheel nuts.
40 . Most drivers are the least alert:
After work.
Fatigue and lack of alertness are major hazards when driving at night. Most people are the least alert at night, especially after midnight.
41 . People working on a disabled vehicle:
Be cautious when driving near people who are working on a disabled vehicle on the side of the road. They may be focused on the repair and not paying attention to nearby traffic.
42 . When checking the exhaust system, it should be:
Cracked.
When checking the exhaust system, you should verify that no parts of the system are loose, broken, or missing.
2026 South Dakota | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in South Dakota, you must first have a valid CDL license. Then, pass the Hazmat Knowledge Test at your local DMV. You will also need to complete a background check through the Transportation Security Administration (TSA), including fingerprinting. Once approved, your endorsement will be added to your CDL.
To obtain a CDL Hazmat license, you must have a valid Commercial Driver's License (CDL). You must also pass the Hazardous Materials Endorsement Knowledge Test. In addition, you must complete a background check and fingerprinting through the Transportation Security Administration (TSA). A clean driving record and good physical health are also typically required.
When applying for a CDL Hazmat endorsement in South Dakota, you'll need to provide proof of U.S. citizenship or legal presence, such as a passport or birth certificate. You'll also need your current CDL, social security card, and proof of South Dakota residency. Lastly, you'll need a completed Medical Examination Report Form and Medical Examiner's Certificate.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. This test, known as the Hazardous Materials Endorsement Knowledge Test, focuses on topics such as loading and unloading hazardous materials, bulk packaging marking, driving and parking rules, and emergency response procedures. Passing this test is a requirement for obtaining the Hazmat endorsement.
The Hazardous Materials Endorsement Knowledge Test covers several subjects related to transporting hazardous materials. Topics include recognizing hazardous materials, understanding shipping papers, placarding rules, loading and unloading procedures, driving and parking rules, responding to emergencies, and understanding bulk tank loading, unloading, and marking. Knowledge of these subjects is crucial for safely transporting hazardous materials.
Yes, there are additional charges linked to acquiring a CDL Hazmat endorsement in South Dakota. These include the cost of the written test, the endorsement fee, and a background check fee. The exact costs can vary, so it's recommended to check with the South Dakota Department of Public Safety for the most current fees.
Yes, obtaining a CDL Hazmat endorsement in South Dakota requires a background check and security clearance. This involves fingerprinting and a review of your criminal history. The Transportation Security Administration (TSA) conducts this check to ensure you don't pose a security threat. It's essential to have a clean record for successful approval.
Yes, specialized training is required for the CDL Hazmat endorsement. Applicants must pass the Hazardous Materials Endorsement Knowledge Test. While not mandatory, many candidates choose to complete a training course before taking the test. Certification is achieved by passing the test and completing a background check.
No, you cannot legally transport hazardous materials without a valid CDL Hazmat endorsement in South Dakota. This endorsement is required by federal law and ensures that drivers have the necessary knowledge and training to safely handle and transport hazardous materials. Failure to comply could result in hefty fines or penalties.
Yes, you can add the CDL Hazmat endorsement to your current CDL license in South Dakota. However, you'll need to pass a written test and undergo a TSA background check. It's not a completely new application, but an addition to your existing CDL. Remember to bring your current CDL when you apply for the endorsement.