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A screw press handles \( 12 \) tonnes of seed a day and draws \( 22 \) kW. Its specific energy consumption is

  • A.44 kWh per tonne
  • B.1.83 kWh per tonne
  • C.264 kWh per tonne
  • D.0.55 kWh per tonne

Answer: A

Running continuously it consumes \( 22 \times 24 = 528 \) kWh a day, and \( 528/12 = 44 \) kilowatt hours per tonne. Pressing is energy intensive, which is part of the argument for extracting low-oil seeds directly with solvent.

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