Question: Find the maximum stress in Paon a perforated solid plate whose radius is 2.5m, thickness is 6cm and is subjected to a load of 0.2N/mm2.

Find the maximum stress in "Pa"on a perforated solid plate whose radius is 2.5m, thickness is 6cm and is subjected to a load of 0.2N/mm2. Take the pitch as 4cm, hole diameter as 3cm, Poisson's ratio as 0.28 . Also calculate the ligament efficiency. [8M]

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