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The clinker factor of a cement is the mass of clinker per unit mass of

  • A.gypsum added at the mill
  • B.cement produced
  • C.raw meal fed to the kiln
  • D.fuel burnt in the kiln

Answer: B

Correct answer: cement produced

The clinker factor is the tonnes of clinker per tonne of finished cement, so a factor of 1 means the cement is all clinker and a factor of 0.7 means thirty per cent is something else. Since clinker is the part that took the kiln fuel, lowering the factor lowers the energy per tonne of cement directly.

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