Spalling resistance of a refractory can not be increased by Options: A . &nbspIncreasing its porosity B . &nbspUsing a coarser grog during its manufacture C . &nbspDecreasing its thermal co-efficient of expansion D . &nbspMaking it denser

Spalling resistance of a refractory can not be increased by

Question

Spalling resistance of a refractory can not be increased by

Options:

A . Increasing its porosity

B . Using a coarser grog during its manufacture

C . Decreasing its thermal co-efficient of expansion

D . Making it denser

Answer: Option D

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