Knowledge Test Class B #2
Class B Driving Test | South Carolina 2026 #2 Page 6 of 7
Train for FREE online with our South Carolina 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 SC CDL class B 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 B requirements may vary from state to state.
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36 . How many daily hours of sleep does an adult need to maintain alertness?
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
37 . Stopping distance can be affected by:
Traffic.
Factors that can affect stopping distance include your vehicle's speed, its weight, and the traction provided by the road surface.
38 . You should maintain at least ____ of following distance per every 10 feet of your vehicle when you are traveling more slowly than 40 mph.
At speeds below 40 mph, you should allow at least one second of following distance for every 10 feet of your vehicle. Follow the same formula when traveling at faster speeds, then add one additional second to your following distance. Remember that larger vehicles require more space to stop than smaller vehicles.
39 . When testing a parking brake, the vehicle should:
Be driven while the parking brake is applied.
To test a parking brake, you should fasten your safety belt, set the parking brake for the power unit, release the trailer parking brake (if applicable), place the vehicle in low gear, and attempt to pull forward against the parking brake. If the parking brake does not hold while you are attempting to pull forward against it, the brake is faulty and must be fixed.
40 . If you plan to transport hazardous materials, you must pass which endorsement test?
You must have a hazardous materials endorsement to drive a vehicle of any size that is used to transport defined classes of hazardous materials.
41 . On any upgrade, gravity will:
Cause your vehicle to swerve to the left.
When driving uphill, you are fighting the force of gravity, which will slow down your vehicle.
42 . An applicant hoping to be a city bus driver needs a passenger endorsement.
All applicants seeking to be licensed to drive a bus must pass the passenger endorsement test.
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2026 South Carolina | Frequently Asked Questions
To acquire a CDL Passenger endorsement in South Carolina, you must first hold a valid CDL. Then, you need to pass the Passenger Transport Test, which covers the special rules and skills for carrying passengers. Lastly, you must pass a driving test in a vehicle similar to one you'll be operating with passengers.
To obtain a CDL Passenger license in South Carolina, you must be at least 21 years old, hold a valid Commercial Driver’s License (CDL), pass a Passenger Transport written test, and complete a skills test in the type of vehicle you'll be driving. A background check and medical examination may also be required.
While South Carolina doesn't require specific training to secure a CDL Passenger endorsement, it's beneficial to have experience driving large vehicles. However, you must pass the Passenger Transport written test and a skills test in a passenger vehicle. Training programs can help prepare you for these tests and enhance your driving skills.
Yes, in South Carolina, to obtain a CDL Passenger endorsement, you must pass the Passenger Transport written knowledge test. This test focuses on specific rules and safety guidelines for transporting passengers. The test covers areas like inspecting passenger vehicles, loading/unloading passengers, and emergency procedures. You may also need to take a road skills test in a passenger vehicle.
During the CDL Passenger endorsement assessment, you'll need to demonstrate your ability to inspect your vehicle, manage passenger entry and exit, handle emergencies, and navigate different road types safely. You'll also need to show proficiency in maneuvering the vehicle through turns, intersections, and various traffic conditions.
No, it's illegal to transport passengers commercially without a valid CDL Passenger endorsement in South Carolina. This endorsement ensures that drivers have the necessary knowledge and skills to safely transport passengers. Violating this can result in fines, loss of commercial driving privileges, and even legal consequences.
Yes, you can add the CDL Passenger endorsement to your existing commercial driver's license. You don't need to apply for a new license. However, you will need to pass the passenger endorsement knowledge test and, in some cases, a skills test. Check with the South Carolina DMV for specific requirements.
Yes, there are restrictions for drivers with a CDL Passenger endorsement. They must comply with all federal and state regulations, including hours of service rules. They cannot transport more passengers than the vehicle is designed for, and they must ensure that all passengers use seat belts. Violation of these rules can lead to fines or loss of endorsement.
Yes, to obtain a CDL Passenger endorsement in South Carolina, you must be at least 21 years old. This is a federal requirement for any driver operating a commercial vehicle that crosses state lines. However, if you're only driving within South Carolina, you may be able to get a CDL at age 18. Always check with the South Carolina DMV for specific state requirements.
With a CDL Passenger endorsement in South Carolina, you can operate commercial vehicles designed to carry 16 or more passengers, including the driver. This includes buses, school buses, shuttle vans, and some types of limousines. Remember, the exact type of vehicle you can drive also depends on other endorsements and restrictions on your CDL.
