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The two cylindrical rod segments shown in the figure below are fixed to the rigid walls...

The two cylindrical rod segments shown in the figure below are fixed to the rigid walls such that there is a gap of 0.01 in . between them when T1 = 65 °F . Each rod has a diameter of1.5 in. Take ?al = 13(10?6)/°F, Eal = 10(103) ksi , (?Y)al = 40 ksi ,?cu = 9.4(10?6)/ °F , (?Y)cu = 50 ksi , andEcu = 15(103) ksi .

What larger temperature T2 is required in order to just close the gap?

Determine the average normal stress in each rod if T2 = 270 °F .

The two cylindrical rod segments shown in the figu

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