Asked in a 2000 paper
. Refractoriness under load (RUL) of fireclay bricks (under a load of 2 kg/cm2) is ______________ °C?
Correct answer: C. >1350
- A. 500
- B. 1000
- C. >1350
- D. >2000
Explanation
Fireclay bricks normally retain their shape under a 2 kg/cm² load until temperatures above about 1350°C, although the exact value depends on composition and testing conditions. Thus the best listed range is greater than 1350°C.
Written and checked by Zahid Hussain, MS Computer ScienceLast updated
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