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Statement I: An axial-flow thresher gives the crop a single pass over the concave.

Statement II: The crop follows a helical path along the length of the cylinder.

In the light of the above statements, choose the correct answer.

  • A.Statement I is incorrect but Statement II is correct
  • B.Both Statement I and Statement II are correct
  • C.Both Statement I and Statement II are incorrect
  • D.Statement I is correct but Statement II is incorrect

Answer: A

The helical path is correctly described, and it is exactly what gives the crop many passes rather than one. The long residence time is why the design handles damp and tough material so well and why it consumes more power.

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