A 40 mm diameter aluminum cylinder and 20 mm diameter steel cylinder are positioned snugly between two rigid walls. The temperature is then raised by 30°C. What will be the stress in the steel cylinder? Answer in MPa rounded- off to 2 decimal places. Al : E = 72 GPa; a = 22.5 x 10-6/°C L= 80 mm Steel: E = 210 GPa; a = 12 x 10-6/°C L = 200 mm Aluminum Steel

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The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.