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← HistoryWhich risk dramatically increases after thermal cycling affects the intricate inlaid Pietra Dura of Mughal-era monuments?
A)Loss of structural tensile strength
B)Delamination of the different components✓
C)Increased susceptibility to acid etch
D)Formation of micro-abrasion grooves
💡 Explanation
Delamination risk increases because differential thermal expansion applies shear stress across the interfaces, weakening the bond in the adhesive forces holding the pietra dura mosaic together, therefore individual pieces detach rather than the whole losing tensile strength.
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