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A magnetic separator in a grain line is fitted principally to

  • A.Remove ferrous tramp metal
  • B.Remove stones
  • C.Grade grain by size
  • D.Remove light chaff

Answer: A

Correct answer: Remove ferrous tramp metal

A magnetic separator removes ferrous tramp metal - nails, bolts, wire, harvester and handling debris - picked up between field and mill.

Its purpose is protective rather than qualitative. A piece of steel entering a roller mill, huller or hammer mill can damage the machine severely, and in a dust-laden atmosphere it can strike a spark and cause an explosion. Magnets are therefore fitted immediately ahead of every such machine, and are inspected and cleaned on a fixed schedule.

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