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← HistoryWhich outcome occurs when thermal cycling affects the limestone substrate beneath exposed Mughal pietra dura?
A)Differential stress causes component delamination✓
B)Oxidation accelerates pigment degradation gradually
C)Volumetric change enhances material elasticity
D)Hydrophobic protection restricts salt efflorescence
💡 Explanation
Differential expansion causes component delamination because cyclical temperature changes induce uneven stresses between the marble inlay and the distinct limestone substrate; therefore, the materials separate, rather than expand together in perfect unison.
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