Practice question

Why should Illinois applicants study both Illinois CDL materials and FMCSA air-brake topics?

  1. Illinois administers the test, and federal CDL rules define required air-brake knowledge areas
  2. FMCSA replaces the Illinois Secretary of State at test stations
  3. Illinois tests only road signs for air brakes
  4. FMCSA materials are competitor practice tests

Answer: A — Illinois administers the test, and federal CDL rules define required air-brake knowledge areas

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Practice more: Illinois CDL Air Brakes Practice Questions - Illinois CDL Air Brakes Knowledge Test Exam →