Question

1. A steel rod 10 mm diameter is encased in a copper tube of external diameter 36 mm and internal diameter 24 mm with help of washers and nut. The nut is tightened so as to produce a tensile force of 400 N/cm² in the steel rod. This combination is then subject to a tensile load of 2N. Determine the resultant stresses in steel rod and copper tube, if: Es=2Ec=2100 N/cm² Now, if the temperature of assembly is raised by 20°C, determine the final stresses developed in the rod and tube after the rise in temperature. CN 12 x 10-6/°C ac 17.5 x 106/C​

Answer 1

Answer:

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Explanation:

Diameter of the steel rod, d = 20 mm a Outer diameter of the copper tube, d1 = 36 mm  Inner diameter of the copper tube, d2 = 24 mm Area of cross-section of the steel rod.

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