Silica bricks have low spalling resistance below 600 C, due to its – McqOptions

MCQOPTIONS

1.	Silica bricks have low spalling resistance below 600 C, due to its
A.	very high thermal conductivity.
B.	high co-efficient of expansion upto this temperature.
C.	high thermal diffusivity.
D.	low refractoriness.
Answer» C. high thermal diffusivity.

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