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Arrange the steps of selecting a conveyor for a duty in order:

1. Choose the conveyor type that suits both

2. Establish the required capacity and the geometry of the run

3. Size the drive and check the power per tonne

4. Characterise the material for density, repose angle and fragility

Select the correct sequence.

  • A.4, 2, 1, 3
  • B.2, 1, 4, 3
  • C.1, 4, 2, 3
  • D.2, 4, 1, 3

Answer: D

Correct answer: 2, 4, 1, 3

The sequence runs from requirement to hardware. First establish the capacity required and the geometry of the run (2) - how much, how far, and through what rise. Then characterise the material for bulk density, angle of repose and fragility (4), since those govern what will handle it.

Only with both in hand can a conveyor type be chosen that suits them (1). Finally the drive is sized and the power per tonne checked (3), which may send the designer back a step if the figure is unacceptable.

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