Firing temperature is minimum (1250-1400 °C) for _______________ bricks?
(A) Fireclay
(B) Direct bonded basic
(C) Silica
(D) Magnesite
Firing temperature is minimum (1250-1400 °C) for _______________ bricks?
(A) Fireclay
(B) Direct bonded basic
(C) Silica
(D) Magnesite
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