Addition of grog in fireclay brick during its manufacture is advantageous, because it results in Options: A . &nbspLess shrinkage in heating, decreased apparent porosity & increased specific gravity B . &nbspHigh strength & thermal spalling resistance C . &nbspLess addition of water to get a workable plasticity & lesser time required for drying the raw refractories and hence increased rate of production D . &nbspAll of the above

Addition of grog in fireclay brick during its manufacture is advantageous, becau

Question

Addition of grog in fireclay brick during its manufacture is advantageous, because it results in

Options:

A . Less shrinkage in heating, decreased apparent porosity & increased specific gravity

B . High strength & thermal spalling resistance

C . Less addition of water to get a workable plasticity & lesser time required for drying the raw refractories and hence increased rate of production

D . All of the above

Answer: Option D

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