Grog addition in fireclay during brick manufacture is done to Options: A . &nbspreduce its shrinkage on heating. B . &nbspimpart greater spalling resistance. C . &nbspenhance the strength of fired refractories. D . &nbspall (a), (b) and (c).

Grog

Question

Grog addition in fireclay during brick manufacture is done to

Options:

A . reduce its shrinkage on heating.

B . impart greater spalling resistance.

C . enhance the strength of fired refractories.

D . all (a), (b) and (c).

Answer: Option D

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