Question

What increases thermal conductivity?

Answer 1

Answer:

Thermal movement is basically caused by the expansion and contraction of the fabric of the building due to hot and cold weather. ... Modern structures are sometimes built without any expansion joints so the thermal movement cannot be accompanied within the masonry so cracking occurs.

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Answer 2

Answer:

IN GENERAL, the thermal conductivity of gases increases with temperature. Kinetic theory of gases explains why. Thermal conductivity of liquids decreases with increasing temperature as the liquid expands and the molecules move apart.

Explanation:

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