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South Carolina CDL Practice Test: Class C - Test 2018

(From the 2018 South Carolina CDL Handbook)
Number of tests: 1
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 C 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. How many versions of the Class B Pre-trip inspection test are there?
  • Have turned your headlights on.

  • Have put your turn signal on.

  • See the other car's headlights come on.

  • See the front bumper of the other car in your mirror.

2. Under what circumstances will you be denied or lose your hazardous materials endorsement?
  • Get up to cruising speed gradually so other cars will see you.

  • Use the left lane of the highway to get up to cruising speed.

  • Use as much ramp as possible to get up to cruising speed.

  • Wait for a large gap in traffic then speed up quickly.

3. Failing to obey a traffic control device at a railroad crossing could result in you losing your CDL for at least ______ if it is your second similar violation within a three-year period.
  • Cancels the effect of the alcohol.

  • Decreases blood alcohol content.

  • Has no effect on blood alcohol content.

  • Increases blood alcohol content.

4. When performing the controlled braking method for an emergency stop, you _________.
  • Open your window

  • Get some coffee

  • Turn on the radio

  • Stop driving

5. Who repairs the items in the vehicle inspection report that affect safety?
  • either lane, depending on oncoming traffic

  • the lane nearest the curb or edge of the roadway

  • None of the above

  • the lane closest to the center of the road

6. It's important for a school bus driver to ensure the emergency exits are _________.
  • Hospital ahead to the right.

  • Hotel ahead to the right.

  • Hiking trails ahead to the right.

  • Highway changes ahead to the right.