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South Carolina CDL Practice Test: All - Test 2018

(From the 2018 South Carolina CDL Handbook)
Number of tests: 1
Number of questions: 30
Passing score: 80

Directions: If you need additional information, please contact your local DMV office. You can find your nearest DMV office at South Carolina DMV locations.

You have made 2 errors so far.
1. Typically, at what psi does the air compressor governor stop the compressor from pumping air?
  • All of the above.

  • Keep your eyes moving to look for possible hazards.

  • Keep your foot over your brake pedal when needed to reduce your reaction times.

  • Drive just below the speed limit in certain situations to improve your braking distance.

2. A serious traffic violation is which of the following?
  • Slow down as you pass him/her.

  • Make eye contact and then pass him/her.

  • Stop and let him/her finish crossing the street.

3. How many mph above the posted speed limit is considered excessive speeding?
  • A 6-month probation

  • Points on the driving record

  • Sentence to a corrections institution

  • A 90-day driver license suspension and up to a $500 fine

4. Why should you check the tire shortly after it's been changed?
  • Speed up as he or she is passing you

  • Block the passing lane

  • Try to get out of the aggressive driver`s way

  • Stare at the driver as he or she is passing you

5. When your brake's main air pressure is lost ________.
  • Decrease the distance you look ahead of your vehicle.

  • Avoid making fast turns and fast stops.

  • Test your tires’ traction while going uphill.

6. You will lose your CDL for three years ______.
  • Slippery when wet, use caution.

  • Sharp left curve then right curve, use caution.

  • Winding road, use caution.

  • Merging traffic from the right.