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An electronic line shaft replaces

  • A.the speed feedback device on each section drive
  • B.the mechanical brake on each section of the machine
  • C.a mechanical shaft coupling several sections together
  • D.the converter that feeds each of the section drives

Answer: C

A common digital position reference distributed to every section makes them run in exact relative step without any mechanical connection. It allows each section's ratio to be changed from the control desk, which a gear train never could.

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