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Posted: **Mon Jul 11, 2022 12:03 pm**

: Chapter 4 Problem 4 71 The Two Cylindrical Rod Segments Shown In The Figure Below Figure 1 Are Fixed To The Rigid Wall 1 (27.34 KiB) Viewed 51 times

: Chapter 4 Problem 4 71 The Two Cylindrical Rod Segments Shown In The Figure Below Figure 1 Are Fixed To The Rigid Wall 2 (47.61 KiB) Viewed 51 times

Chapter 4 Problem 4.71 The two cylindrical rod segments shown in the figure below (Figure 1) are fixed to the rigid walls such that there is a gap of 0.01 in between them when T₁ = 80°F. Each rod has a diameter of 1.7 in. Take aal = 13(106)/°F. El=10(10³) ksi, (oy)al = 40 ksi, acu = 9.4(106)/°F. (ay)cu = 50 ksi, and Ecu = 15(10³) ksi. Figure 0,01 in.. Copper 12 in Aluminum -6 in. 1 of 1
▼ Part A What larger temperature T2 is required in order to just close the gap? Express your answer to three significant figures. T2 = 132 °F Submit Previous Answers Correct ▾ Part B Determine the magnitude of the average normal stress in each rod if T2 = 280 °F. Express your answer to three significant figures and include appropriate units. μA Σ= Value Submit Request Answer Units ?