Knowledge Test Class A #1

FREE CDL Class A Driving Test Online South Dakota 2024

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 2024, practice as much as..

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 2024, 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.

According to the Rapid City Journal, South Dakota is known for many things, but some people may not realize that it is also an "international export powerhouse." The $1.6 billion in exports that our state generates each year frequently begin their journey out of state in a commercial vehicle driven by someone just like you. Getting your CDL means becoming a part of that economy, and this exam will help you get thereby allowing you to practice answering 50 multiple-choice questions based on the South Dakota Commercial Driver License Manual, covering everything from brakes to cargo laws. Good luck with the CDL exam, and remember to practice as much as possible.

Ideal for: 

  • CDL holders who want to add endorsements to their license
  • First-time SD CDL and CLP applicants
  • Applicants for CDL renewal in SD

On the actual SD CDL exam:

  • There are 50 questions
  • To pass, you must get 40 right answers 
  • 80% passing score

 

50
40
20

1 . When accelerating on a surface with poor traction, such as a wet road, a driver should:

You should accelerate very gradually when driving under conditions that create poor traction.

2 . The most common type of foundation brake used is the:

P-cam disc brake. The most common type of foundation brake is an s-cam drum brake.

3 . When driving with a load, the driver should:

Not check on the cargo if it was secured properly before starting the trip. Cargo and its securing devices must be inspected before starting a trip. After beginning a trip, the driver should check the load and securing devices within the first 50 miles on the road, every three hours or 150 miles traveled, and after every break.

4 . 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.

5 . When inspecting engine compartment belts during the vehicle inspection test:

The applicant must identify which items are not belt-driven, if any. When checking the engine compartment during the vehicle inspection test, you must check the power steering, water pump, alternator, and air compressor belts. In addition to cracks and frays, you should check the belts for snugness, allowing up to three-quarters of an inch of play at the center of each belt. If any of these items are not belt-driven, you must identify them and ensure that their components are operating properly, are not damaged or leaking, and are mounted securely.

6 . A low air pressure warning signal should activate:

When tank pressure falls below 5 psi. In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.

7 . When inspecting your vehicle, which of the following should not cause concern?

Exhaust system parts made of aluminum Problems to check for when inspecting a vehicle's exhaust system include loose, broken, or missing exhaust pipes, mufflers, tailpipes, or vertical stacks; loose, broken, or missing mounting brackets, clamps, bolts, or nuts; exhaust system parts rubbing against fuel system parts, tires, or other moving parts of the vehicle; and exhaust system parts that are leaking.

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