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State whether the following is true or false.
Loss on ignition affects the mass weighed out at the batch scale.

  • A.False only at small scales
  • B.True
  • C.False
  • D.True only at large scales

Answer: C

It affects only the fired mass, since the loss happens in the kiln long after weighing. Confusing the two is a common source of error in yield and costing calculations. Weighing happens before the kiln and the loss happens inside it.

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