Practice question

For an air-brake-equipped CMV in Georgia testing, what does the air pressure gauge tell the driver?

  1. The engine oil pressure
  2. The pressure available in each air storage tank (or each system in a dual setup)
  3. Speed of the compressor
  4. Trailer weight

Answer: B — The pressure available in each air storage tank (or each system in a dual setup)

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Practice more: Georgia CDL Air Brakes Test Practice Questions - Georgia Commercial Driver License (CDL) Air Brakes Knowledge Test Exam →