A solid circular bar is surrounded by a layer of copper rigidly attached to it, the assembly is subjected to a torsional moment if the copper supports 1.5 times the torque supported by the material of the circular bar. Find the relationship between the outer and inner diameters of the copper tube which has a young's modulus of 4x10^3 Kg/mm2 and the modulus of rigidity is 8x10^3 Kg/mm2

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Thermal Properties of Materials

In mechanical engineering, the thermal property is represented as the physical quantity that is relevant to the application of heat. The thermal properties are evaluated by variations in any specific material due to low heat or high heat. The quantities that influence the thermal property of the materials are mass, density, temperature, and many others.