High porosity refractory bricks have Options: A . &nbspPoor resistance to the peneration of molten slag, metal & flue gases B . &nbspPoor heat conductivity & low strength C . &nbspBetter thermal spalling resistance D . &nbspAll of the above

High porosity refractory bricks have

Question

High porosity refractory bricks have

Options:

A . Poor resistance to the peneration of molten slag, metal & flue gases

B . Poor heat conductivity & low strength

C . Better thermal spalling resistance

D . All of the above

Answer: Option D

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