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If a kiln uses 3,200 megajoules per tonne of clinker and produces 4,000 tonnes a day, what is the daily thermal energy input?

  • A.800,000 megajoules
  • B.12.8 million megajoules
  • C.1.28 million megajoules
  • D.128 million megajoules

Answer: B

Multiplying 3,200 by 4,000 gives 12.8 million megajoules a day. Specific heat consumption expressed per tonne of clinker is the standard measure by which kilns are compared. It is quoted alongside electrical consumption in every plant benchmark.

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