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Kiln availability is important chiefly because

  • A.maintenance is impossible while the kiln has been stopped
  • B.a stopped kiln produces nothing while still costing money
  • C.the kiln can be restarted instantly at almost any time
  • D.clinker can always be bought in cheaply when it is needed

Answer: B

Correct answer: a stopped kiln produces nothing while still costing money

A cement plant is capital-intensive and its costs are largely fixed, so the hours the kiln runs determine whether they are covered. A stopped kiln also cannot be restarted quickly, which multiplies the cost of every unplanned outage - and is why maintenance is planned around the kiln rather than the reverse.

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