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In Mughal-era structures employing pietra dura, which failure initiates when seasonal ground shift exceeds design parameters?

A)Inlay element delamination
B)Arch keystone displacement
C)Lime mortar carbonation
D)Marble facade spalling

💡 Explanation

Reduced substrate support prompts element delamination because of differential stress; that initiates tensile cracking at adhesive interfaces, rather than bulk failures, therefore impacting fine inlay before structural materials directly resist gross movement.

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