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← HistoryWhich risk increases with fluctuating humidity when 'pietra dura' inlay is utilized in Mughal architectural monuments?
A)Loss of structural arch stability
B)Efflorescence on sandstone surfaces
C)Differential thermal expansion failure✓
D)Increased susceptibility to seismic damage
💡 Explanation
Differential thermal expansion occurs because distinct inlaid materials have varying coefficients of expansion; therefore, the stress at the boundary changes with temperature and humidity increases, causing cracking and detachment, rather than uniform structural damage.
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