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A group drive, or line shaft drive, is characterised by

  • A.one motor driving several machines through a shaft
  • B.one motor for each machine
  • C.several motors driving different parts of one machine in coordination with each other
  • D.no motor at all

Answer: A

A single large motor turns a shaft from which belts drive individual machines, which was economical when motors were expensive. It is inflexible, wasteful and dangerous, and it has been abandoned in favour of individual drives.

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