Problem 4.71 The two cylindrical rod segments shown in the figure below (Eigure 1) are fixed to the rigid walls such tha

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Problem 4 71 The Two Cylindrical Rod Segments Shown In The Figure Below Eigure 1 Are Fixed To The Rigid Walls Such Tha 1 (38.48 KiB) Viewed 41 times

Problem 4.71 The two cylindrical rod segments shown in the figure below (Eigure 1) are fixed to the rigid walls such that there is a gap of 0.01 in between them when 7 = 80°F. Each rod has a diameter of 1.4 in. Take aal 13(10-)/°F. = Eat 10(10³) ksi, (ay)a= 40 ksi, decu-9.4(10)/F. (dy) = 50 ksi, and E= 15(10³) ksi Figure 0.01 in.. Copper -12 in Aluminum -6 in.- 1 of 1 Part A What larger temperature T3 is required in order to just close the gap? Express your answer to three significant figures. 195) ΑΣΦ. 11 Ivec T-107 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B = 27.6 Determine the magnitude of the average normal stress in each rod if T₂ = 310 F. Express your answer to three significant figures and include appropriate units. HA ksi 10000 ? ? Submit Previous Answers Request Answer °F