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A refractory is a material that withstands

  • A.corrosion by aqueous solutions at low temperature
  • B.high temperature without softening or reacting
  • C.high mechanical load at ambient temperature
  • D.rapid quenching in cold water only

Answer: B

Furnace and kiln linings must hold their shape and strength at temperatures that would destroy any ordinary material, and resist the slag or gas in contact. Chemical inertness toward that contact is as important as the temperature rating.

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