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Cumulative grain breakage through a handling line.

Transfer pointBreakage added (per cent)Cumulative (per cent)
Intake pit0.30.3
First elevator0.50.8
Distributor0.21.0
Second elevator0.51.5

Which change would reduce the total most effectively?

  • A.Enlarging the intake pit
  • B.Raising the grain moisture
  • C.Redesigning to need only one elevator
  • D.Slowing the distributor

Answer: C

Correct answer: Redesigning to need only one elevator

The two elevators contribute 0.5 per cent each, a full two thirds of the 1.5 per cent total, so removing one is worth more than any adjustment to the other stages. The general principle follows: lift once as high as needed and distribute by gravity thereafter, rather than lifting, lowering and lifting again.

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