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In pietra dura of Mughal architecture, which failure in marble panels results owing to differential rates of thermal expansion?

A)Detachment of the assembled inlay
B)Increased compressive stress within
C)Undetectable shift over centuries
D)Uniform expansion with surrounding stone

💡 Explanation

Detachment of assembled pietra dura inlay occurs; differential thermal expansion generates internal shear stress exceeding bonding strength. This is because each material expands at different rates, therefore adhesive fails, rather than uniform movement observed in monolithic materials.

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