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A steel cylinder 90cm long and 15 cm internal diameter is made from plates 5mm thick. It is subjected to internal pressure of 7MPa.

A steel cylinder 90cm long and 15 cm internal diameter is made from plates 5mm thick. It is subjected to internal pressure of 7MPa. The increase in volume due to internal pressure is 16cm. Then the value of modulus of rigidity is GPa. (Assume E = 210 GPa)

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