Question: Problem 3 . At 2 0 C , a 0 . 5 - m m gap exists between the ends of two solid rods as

Problem 3. At 20C, a 0.5-mm gap exists between the ends of two solid rods as shown
below. The aluminum rod has a diameter of 50 mm and the steel rod diameter is 32 mm .
a. At what temperature will the rods just meet?
b. Determine the normal stress in both rods when the temperature increases to 140C.
Problem 3 . At 2 0 C , a 0 . 5 - m m gap exists

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