Knowledge Test Class B
This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three or four possible answer choices. Test questions come from the South Dakota Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
Number of Question
Passing Score
8. Stopping distance can be affected by:
Explanation
Factors that can affect stopping distance include your vehicle's speed, its weight, and how slippery the road surface is.
9. What is Gross Vehicle Weight (GVW)?
Explanation
Gross Vehicle Weight (GVW) is the total weight of a single vehicle and its load of cargo.
10. The rods in S-cam brakes move the slack adjusters when air pressure is added to the brake chambers. This air pressure is added to the chambers when the driver:
Explanation
When pressing the brake pedal in a vehicle with S-cam brakes, air will enter the brake chambers. The added air pressure will push out the rods and move slack adjusters, twisting the brake camshafts.
11. As part of a pre-trip inspection, you should look for all of the following, except:
Explanation
When inspecting your tires, verify that there is tread depth of at least 4/32 of an inch in every major groove on the front tires and tread depth of at least 2/32 of an inch in grooves on the other tires. Be sure that your tires are not too worn, are not cracked, have proper air pressure, and are all equally sized.
12. When stopping a manual transmission vehicle, what should you do when the engine is close to idle?
Explanation
When stopping a vehicle with a manual transmission, you should push in the clutch when the engine is close to idle.
13. Skids caused by acceleration can usually be resolved by:
Explanation
Skids caused by acceleration frequently occur on slippery road surfaces. These skids can generally be resolved by the driver removing their foot from the accelerator.
14. What should happen if the air pressure in the air brake system tanks falls below 60 psi?
Explanation
On vehicles with air brakes, a low air pressure warning signal will come on if the pressure in the air tanks falls below 60 psi. On large buses, the signal may activate at 80 to 85 psi.
Ranked by best match
Frequently Asked Questions
A Class B Commercial Driver's License (CDL) in South Dakota allows a driver to operate a single vehicle with a weight of 26,001 or more pounds, or a combination of vehicles with a total weight of 26,001 or more pounds. This includes vehicles that tow trailers or other vehicles with a weight of 10,000 pounds or less.
To obtain a Class B CDL license in South Dakota, you must follow these steps:
1. Obtain a South Dakota CDL manual: The CDL manual provides information on the requirements and procedures for obtaining a CDL license in South Dakota.
2. Meet the eligibility requirements: You must be at least 18 years old to obtain a Class B CDL license in South Dakota, and at least 21 years old for interstate driving. You must also have a valid driver's license and provide proof of residency in South Dakota.
3. Pass a medical examination: You must pass a medical examination to ensure that you are physically fit to operate a commercial vehicle.
4. Obtain a Commercial Learner's Permit (CLP): To obtain a CLP, you must pass the written knowledge test for the Class B CDL license and any additional endorsements you may need.
5. Practice driving: You must practice driving with your CLP for at least 14 days before taking the driving skills test.
6. Pass the driving skills test: The driving skills test consists of three parts - pre-trip inspection, basic vehicle control, and on-road driving.
7. Pay the fees: There are fees associated with obtaining a Class B CDL license in South Dakota, including application and testing fees.
Once you have passed all of the required tests and met all of the eligibility requirements, you will be issued a Class B CDL license in South Dakota.
To obtain a Class B CDL license in South Dakota, you must follow these steps:
1. Obtain a South Dakota CDL manual: The CDL manual provides information on the requirements and procedures for obtaining a CDL license in South Dakota.
2. Meet the eligibility requirements: You must be at least 18 years old to obtain a Class B CDL license in South Dakota, and at least 21 years old for interstate driving. You must also have a valid driver's license and provide proof of residency in South Dakota.
3. Pass a medical examination: You must pass a medical examination to ensure that you are physically fit to operate a commercial vehicle.
4. Obtain a Commercial Learner's Permit (CLP): To obtain a CLP, you must pass the written knowledge test for the Class B CDL license and any additional endorsements you may need.
5. Practice driving: You must practice driving with your CLP for at least 14 days before taking the driving skills test.
6. Pass the driving skills test: The driving skills test consists of three parts - pre-trip inspection, basic vehicle control, and on-road driving.
7. Pay the fees: There are fees associated with obtaining a Class B CDL license in South Dakota, including application and testing fees.
Once you have passed all of the required tests and met all of the eligibility requirements, you will be issued a Class B CDL license in South Dakota.
With a Class B CDL license in South Dakota, you are legally permitted to operate a single vehicle with a weight of 26,001 or more pounds, or a combination of vehicles with a total weight of 26,001 or more pounds.
This includes:
- Straight trucks
- Large buses, such as school buses, city buses, and tour buses
- Dump trucks
- Cement mixers
- Tow trucks with a gross vehicle weight rating (GVWR) of 26,001 pounds or more
- Delivery trucks and vans
- Box trucks or cube vans with a GVWR of 26,001 pounds or more
It's important to note that if you are operating a combination of vehicles, the trailer or other vehicles being towed must have a GVWR of 10,000 pounds or less. If the trailer or other vehicle being towed has a GVWR over 10,000 pounds, you will need a Class A CDL license instead.
This includes:
- Straight trucks
- Large buses, such as school buses, city buses, and tour buses
- Dump trucks
- Cement mixers
- Tow trucks with a gross vehicle weight rating (GVWR) of 26,001 pounds or more
- Delivery trucks and vans
- Box trucks or cube vans with a GVWR of 26,001 pounds or more
It's important to note that if you are operating a combination of vehicles, the trailer or other vehicles being towed must have a GVWR of 10,000 pounds or less. If the trailer or other vehicle being towed has a GVWR over 10,000 pounds, you will need a Class A CDL license instead.
To obtain a Class B CDL license in South Dakota, you must meet the following requirements:
1. Age: You must be at least 18 years old to obtain a Class B CDL license in South Dakota, and at least 21 years old for interstate driving.
2. Valid driver's license: You must have a valid driver's license issued by the state of South Dakota.
3. Residency: You must provide proof of residency in South Dakota.
4. Medical certification: You must pass a medical examination to ensure that you are physically fit to operate a commercial vehicle.
5. Knowledge tests: You must pass the written knowledge test for the Class B CDL license and any additional endorsements you may need.
6. Skills test: You must pass a three-part skills test that includes a pre-trip inspection, basic vehicle control, and on-road driving.
7. Background check: You will need to undergo a background check as part of the application process.
8. Fees: There are fees associated with obtaining a Class B CDL license in South Dakota, including application and testing fees.
It's important to note that if you have any disqualifying offenses on your driving record, such as DUIs or other serious traffic violations, you may not be eligible to obtain a Class B CDL license in South Dakota.
1. Age: You must be at least 18 years old to obtain a Class B CDL license in South Dakota, and at least 21 years old for interstate driving.
2. Valid driver's license: You must have a valid driver's license issued by the state of South Dakota.
3. Residency: You must provide proof of residency in South Dakota.
4. Medical certification: You must pass a medical examination to ensure that you are physically fit to operate a commercial vehicle.
5. Knowledge tests: You must pass the written knowledge test for the Class B CDL license and any additional endorsements you may need.
6. Skills test: You must pass a three-part skills test that includes a pre-trip inspection, basic vehicle control, and on-road driving.
7. Background check: You will need to undergo a background check as part of the application process.
8. Fees: There are fees associated with obtaining a Class B CDL license in South Dakota, including application and testing fees.
It's important to note that if you have any disqualifying offenses on your driving record, such as DUIs or other serious traffic violations, you may not be eligible to obtain a Class B CDL license in South Dakota.
In South Dakota, the minimum age requirement for a Class B CDL license is 18 years old. However, this only applies to drivers who will be operating commercial vehicles within the state of South Dakota.
If you plan to operate a commercial vehicle outside of South Dakota, you must be at least 21 years old. This is due to federal regulations that require drivers to be at least 21 years old for interstate commerce.
It's also important to note that some employers may have their own age requirements for drivers, which may be higher than the state or federal minimums. If you are considering obtaining a Class B CDL license for employment purposes, it's a good idea to check with potential employers about their age requirements before beginning the application process.
If you plan to operate a commercial vehicle outside of South Dakota, you must be at least 21 years old. This is due to federal regulations that require drivers to be at least 21 years old for interstate commerce.
It's also important to note that some employers may have their own age requirements for drivers, which may be higher than the state or federal minimums. If you are considering obtaining a Class B CDL license for employment purposes, it's a good idea to check with potential employers about their age requirements before beginning the application process.
You may need endorsements for a Class B CDL license, depending on the type of vehicle you plan to operate and the cargo you plan to transport. The most common endorsements for Class B CDL drivers include:
1. Passenger endorsement (P): This endorsement is required if you plan to operate a vehicle designed to transport 16 or more passengers, including the driver.
2. School bus endorsement (S): This endorsement is required if you plan to operate a school bus.
3. Tank vehicle endorsement (N): This endorsement is required if you plan to transport liquid or gaseous materials in a tank or tanks with an individual capacity of more than 119 gallons, or an aggregate capacity of 1,000 gallons or more.
4. Hazardous materials endorsement (H): This endorsement is required if you plan to transport hazardous materials, as defined by federal regulations.
5. Combination of tank vehicle and hazardous materials endorsements (X): This endorsement is required if you plan to transport both hazardous materials and liquid or gaseous materials in tanks.
To obtain endorsements for your Class B CDL license, you must pass additional knowledge tests and meet any other requirements specified by the South Dakota Department of Public Safety.
1. Passenger endorsement (P): This endorsement is required if you plan to operate a vehicle designed to transport 16 or more passengers, including the driver.
2. School bus endorsement (S): This endorsement is required if you plan to operate a school bus.
3. Tank vehicle endorsement (N): This endorsement is required if you plan to transport liquid or gaseous materials in a tank or tanks with an individual capacity of more than 119 gallons, or an aggregate capacity of 1,000 gallons or more.
4. Hazardous materials endorsement (H): This endorsement is required if you plan to transport hazardous materials, as defined by federal regulations.
5. Combination of tank vehicle and hazardous materials endorsements (X): This endorsement is required if you plan to transport both hazardous materials and liquid or gaseous materials in tanks.
To obtain endorsements for your Class B CDL license, you must pass additional knowledge tests and meet any other requirements specified by the South Dakota Department of Public Safety.
The Class B CDL skills test is designed to evaluate your ability to safely operate a commercial vehicle of Class B weight rating. The skills test is divided into three parts:
1. Pre-trip inspection: This is a comprehensive vehicle inspection that you perform to ensure that the vehicle is safe to operate. You will be asked to identify and explain the components of the vehicle, including the engine, brakes, steering system, lights, tires, and other essential parts.
2. Basic vehicle control: This part of the test evaluates your ability to control the vehicle in different situations. You will be asked to perform maneuvers such as backing up, making turns in tight spaces, and parallel parking.
3. On-road driving: This part of the test evaluates your ability to drive the vehicle safely on public roads. You will be asked to navigate through different traffic scenarios, including intersections, turns, and lane changes.
During the skills test, you will be evaluated on your ability to follow traffic laws and use proper driving techniques. You must demonstrate that you can safely operate the commercial vehicle and avoid accidents.
It's essential to practice and prepare for the Class B CDL skills test thoroughly. You may want to consider taking a commercial driving course or working with a licensed instructor to prepare for the test.
1. Pre-trip inspection: This is a comprehensive vehicle inspection that you perform to ensure that the vehicle is safe to operate. You will be asked to identify and explain the components of the vehicle, including the engine, brakes, steering system, lights, tires, and other essential parts.
2. Basic vehicle control: This part of the test evaluates your ability to control the vehicle in different situations. You will be asked to perform maneuvers such as backing up, making turns in tight spaces, and parallel parking.
3. On-road driving: This part of the test evaluates your ability to drive the vehicle safely on public roads. You will be asked to navigate through different traffic scenarios, including intersections, turns, and lane changes.
During the skills test, you will be evaluated on your ability to follow traffic laws and use proper driving techniques. You must demonstrate that you can safely operate the commercial vehicle and avoid accidents.
It's essential to practice and prepare for the Class B CDL skills test thoroughly. You may want to consider taking a commercial driving course or working with a licensed instructor to prepare for the test.
Yes, there are some restrictions and limitations for drivers with a Class B CDL license. Here are some of the most common restrictions:
1. Vehicle type: Your Class B CDL license limits you to operating commercial vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more. You can also operate vehicles that tow trailers with a GVWR of less than 10,000 pounds.
2. Passenger restrictions: If you do not have a passenger endorsement on your Class B CDL license, you cannot operate a commercial vehicle designed to transport 16 or more passengers, including the driver.
3. Hauling hazardous materials: If you do not have a hazardous materials endorsement on your Class B CDL license, you cannot transport hazardous materials as defined by federal regulations.
4. Daytime driving only: If you have a vision waiver on your Class B CDL license, you may be restricted to driving only during daylight hours.
5. Medical restrictions: If you have certain medical conditions that could affect your ability to safely operate a commercial vehicle, your Class B CDL license may be restricted or limited.
It's essential to understand any restrictions or limitations on your Class B CDL license and comply with them to avoid penalties or fines. If you have questions or concerns about your license, it's best to contact the South Dakota Department of Public Safety for guidance.
1. Vehicle type: Your Class B CDL license limits you to operating commercial vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more. You can also operate vehicles that tow trailers with a GVWR of less than 10,000 pounds.
2. Passenger restrictions: If you do not have a passenger endorsement on your Class B CDL license, you cannot operate a commercial vehicle designed to transport 16 or more passengers, including the driver.
3. Hauling hazardous materials: If you do not have a hazardous materials endorsement on your Class B CDL license, you cannot transport hazardous materials as defined by federal regulations.
4. Daytime driving only: If you have a vision waiver on your Class B CDL license, you may be restricted to driving only during daylight hours.
5. Medical restrictions: If you have certain medical conditions that could affect your ability to safely operate a commercial vehicle, your Class B CDL license may be restricted or limited.
It's essential to understand any restrictions or limitations on your Class B CDL license and comply with them to avoid penalties or fines. If you have questions or concerns about your license, it's best to contact the South Dakota Department of Public Safety for guidance.
No, in South Dakota, the Class B CDL written test is only available in English. The state requires that all applicants for a commercial driver's license demonstrate the ability to read and understand English. This is necessary because road signs, safety regulations, and other critical information related to commercial driving are primarily in English.
If you are not fluent in English, you may want to consider taking an English as a Second Language (ESL) course to improve your language skills. Additionally, you can study the South Dakota Commercial Driver License Manual, which is available in English and covers all the topics necessary for the Class B CDL written test. You can also ask for assistance from a licensed driving instructor or take practice tests to help you prepare for the exam.
It's essential to have a good understanding of the English language before taking the Class B CDL written test. If you have any questions or concerns about the test, it's best to contact the South Dakota Department of Public Safety for guidance.
If you are not fluent in English, you may want to consider taking an English as a Second Language (ESL) course to improve your language skills. Additionally, you can study the South Dakota Commercial Driver License Manual, which is available in English and covers all the topics necessary for the Class B CDL written test. You can also ask for assistance from a licensed driving instructor or take practice tests to help you prepare for the exam.
It's essential to have a good understanding of the English language before taking the Class B CDL written test. If you have any questions or concerns about the test, it's best to contact the South Dakota Department of Public Safety for guidance.
Yes, if you have a disability that may affect your ability to take the Class B CDL written test, you can request accommodations from the South Dakota Department of Public Safety. The department is committed to ensuring that all individuals have equal access to its services and programs, including the CDL written test.
To request accommodations, you will need to fill out the CDL Accommodation Request form, which is available on the department's website or from the CDL office. You will need to provide documentation of your disability and how it affects your ability to take the test. The department will review your request and determine what accommodations are appropriate based on your needs and the requirements of the test.
Examples of accommodations may include extra time to complete the test, a private testing area, or assistance from a reader or sign language interpreter. The department will work with you to ensure that you have an equal opportunity to demonstrate your knowledge and skills on the Class B CDL written test.
It's important to note that requests for accommodations must be made in advance of the test date. If you have any questions or concerns about requesting accommodations for the Class B CDL written test, it's best to contact the South Dakota Department of Public Safety for guidance.
To request accommodations, you will need to fill out the CDL Accommodation Request form, which is available on the department's website or from the CDL office. You will need to provide documentation of your disability and how it affects your ability to take the test. The department will review your request and determine what accommodations are appropriate based on your needs and the requirements of the test.
Examples of accommodations may include extra time to complete the test, a private testing area, or assistance from a reader or sign language interpreter. The department will work with you to ensure that you have an equal opportunity to demonstrate your knowledge and skills on the Class B CDL written test.
It's important to note that requests for accommodations must be made in advance of the test date. If you have any questions or concerns about requesting accommodations for the Class B CDL written test, it's best to contact the South Dakota Department of Public Safety for guidance.
If you fail the Class B CDL written test in South Dakota, you are allowed to retake the test. However, you will need to wait at least one day before taking the test again. You will also need to pay the testing fee each time you take the test.
It's important to note that if you fail the written test three times, you will need to wait at least 30 days before taking the test again. If you fail the test three times consecutively, you will need to take an additional eight hours of classroom instruction before being allowed to retake the test.
It's essential to take the time to study and prepare for the Class B CDL written test to increase your chances of passing it on your first attempt. You can study the South Dakota Commercial Driver License Manual, which covers all the topics necessary for the exam. You can also take practice tests or work with a licensed driving instructor to prepare for the test.
If you have any questions or concerns about retaking the Class B CDL written test in South Dakota, it's best to contact your local SD DMV office for guidance.
It's important to note that if you fail the written test three times, you will need to wait at least 30 days before taking the test again. If you fail the test three times consecutively, you will need to take an additional eight hours of classroom instruction before being allowed to retake the test.
It's essential to take the time to study and prepare for the Class B CDL written test to increase your chances of passing it on your first attempt. You can study the South Dakota Commercial Driver License Manual, which covers all the topics necessary for the exam. You can also take practice tests or work with a licensed driving instructor to prepare for the test.
If you have any questions or concerns about retaking the Class B CDL written test in South Dakota, it's best to contact your local SD DMV office for guidance.
