Thermal conductivity of refractory bricks Options: A . &nbspincreases with decrease in porosity. B . &nbspdecreases with decreases in porosity. C . &nbspis independent of its porosity and is maximum for insulating bricks. D . &nbspincreases with the amount of air entrapped in pores.

Thermal conductivity of refractory bricks

Question

Thermal conductivity of refractory bricks

Options:

A . increases with decrease in porosity.

B . decreases with decreases in porosity.

C . is independent of its porosity and is maximum for insulating bricks.

D . increases with the amount of air entrapped in pores.

Answer: Option A
Answer: (a).increases with decrease in porosity.

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