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Which statement about screw conveyors is FALSE?

  • A.They consume more power per tonne than a belt
  • B.Their capacity falls sharply when inclined
  • C.They handle grain more gently than belt conveyors
  • D.They are compact and fully enclosed

Answer: C

Correct answer: They handle grain more gently than belt conveyors

This is the false statement, and it inverts the comparison. A screw drags material against a stationary trough, so attrition is far higher than on a belt, where the load rides along undisturbed. The other three are all true, and together they define where a screw belongs: short, enclosed, compact transfers where its penalties stay small.

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