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The wet process survives in some plants chiefly because

  • A.it produces a clinker of a substantially higher ultimate strength
  • B.it requires no crushing of the quarried stone beforehand at all
  • C.it emits no carbon dioxide whatever during the burning stage
  • D.the raw materials are naturally very wet or of variable chemistry

Answer: D

Where chalk and clay come out of the ground wet, the cost of drying them may outweigh the saving from a dry kiln, and slurry blends very easily. The advantage is one of the particular deposit rather than of the process in general.

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