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A compound bar consists of a circular rod of steel of diameter 20 mm rigidly fitted into copper tube of internal diameter of 20 mm and external diameter of 30 mm. If the composite bar is 750 mm long and is subjected to a compressive load of 30 kN, find the stresses developed in the steel rod and copper tube. Take EC = 200 GPa and EA = 100 GPa. Also find the change in the length of the bar.

Question-AnswerCategory: Strength of MaterialsA compound bar consists of a circular rod of steel of diameter 20 mm rigidly fitted into copper tube of internal diameter of 20 mm and external diameter of 30 mm. If the composite bar is 750 mm long and is subjected to a compressive load of 30 kN, find the stresses developed in the steel rod and copper tube. Take EC = 200 GPa and EA = 100 GPa. Also find the change in the length of the bar.
Mwate Chito asked 4 months ago

A compound bar consists of a circular rod of steel of diameter 20 mm rigidly fitted into copper tube of internal diameter of 20 mm and external diameter of 30 mm. If the composite bar is 750 mm long and is subjected to a compressive load of 30 kN, find the stresses developed in the steel rod and copper tube. Take EC = 200 GPa and EA = 100 GPa. Also find the change in the length of the bar.

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