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A drive application study should record the assumptions made because

  • A.the supply authority requires it before connection
  • B.the duty may be checked or challenged later
  • C.the assumptions determine the insulation class required
  • D.the record is needed to size the braking resistor

Answer: B

A machine that overheats or a saving that fails to appear both come back to what was assumed about the duty, and a written record makes that traceable. It also lets the study be reused when a similar application arises.

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