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South Carolina CDL Practice Test: Class B - Test 4 2018

(From the 2018 South Carolina CDL Handbook)
Number of tests: 4
Number of questions: 30
Passing score: 80

Directions: When applying for this license, applicants must pass a 50-question test. And applicants must score 80% to pass the test. The following questions are based on the details provided in the South Carolina Commercial Driver Handbook. Endorsements that may be used with a Class B CDL include Hazardous Materials, Passenger, Double and Triples, HazMat and Tanker, Air Brakes and School bus. 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. What emergency equipment should your vehicle have?
  • Allow your body time to get rid of alcohol.

  • Exercising.

  • Taking a cold shower.

  • Drinking coffee.

2. You will need to pass the pre-trip vehicle inspection test ________.
  • Apply the brakes in slow, steady strokes.

  • Shift into neutral, do not use the brakes.

  • Shift to a lower gear, do not use the brakes.

  • Apply the brakes quickly and firmly.

3. During the "on-road test portion" of your on-road test, you will need to ________.
  • Slowing

  • Turning left

  • Turning right

  • Stopping

4. If you have committed three serious traffic violations within a three-year period involving a CMV, you will likely lose your CDL at least _______ days.
  • The middle of the intersection

  • The right lane

  • The left lane

  • Any lane

5. The air compressor is connected to the engine through ______.
  • One hour.

  • Five minutes.

  • Five hours.

  • One day.

6. What is another name for front-end header board?
  • No turn on red.

  • No left turn.

  • No right turn.

  • No u-turn.