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At 130°C, a bronze hoop 20 mm thick whose inside diameter is 600 mm just fits...

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Mechanical Engineering

At 130°C, a bronze hoop 20 mm thick whose inside diameter is600 mm just fits snugly over a steel hoop 15 mm thick. Both hoopsare 100 mm wide. Compute the contact pressure between the hoopswhen the temperature drops to 20°C. Neglect the possibility thatthe inner ring may buckle. For steel, E = 200 GPa and α =11.7μm/(m.°C). For bronze, E = 83 GPa α = 19 μm/(m.°C)

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