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South Carolina CDL Practice Test: Class A - Test 8 2018

(From the 2018 South Carolina CDL Handbook)
Number of tests: 8
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 A 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 does IRP stand for?
  • Not be concerned about following distance

  • Increase following distance to 5 or 6 seconds

  • Decrease following distance to 2 seconds

  • Maintain the 4-second following distance rule

2. The ABS only activates when ______.
  • Use that lane that belongs to oncoming traffic

  • Flash your lights to oncoming traffic

  • Not cross the center line

  • Use the shoulder

3. The emergency brake system _______.
  • You may pass if you are facing the front of the bus.

  • You may not pass while the red lights are flashing.

  • You may pass if it is on the other side of a divided highway.

  • You may pass if no children are on the road.

4. Who takes the general knowledge test?
  • Just as you get to the exit ramp.

  • 100 feet before the exit ramp.

  • When you see cars behind you in the exit lane.

  • 50 feet before the exit ramp.

5. The emergency brakes will come on __________.
  • 60

  • 90

  • 15

  • 30

6. You will lose your CDL for at least _____ if you have committed three or more violations of an out-of-service order in a ten-year period.
  • Rigid bridges

  • Truss bridges

  • Drawbridges

  • Suspension bridges