PROBLEM 4 At 20°C, there is a gap d = 0.2 mm between the lower end of the bronze bar and the rigid slab supported by two steel bars as shown. Neglecting the mass of the slab, determine the stress in each rod when the temperature assembly is increased to 100°C. Area (mm2) a(um/m°C) E (N/m2) 83 x 10 Bronze Steel 600 18.9 400 11.7 200 x 10° Steel Bronze Steel

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PROBLEM 4
At 20°C, there is a gap d = 0.2 mm between the lower end
of the bronze bar and the rigid slab supported by two
steel bars as shown. Neglecting the mass of the slab,
determine the stress in each rod when the temperature
assembly is increased to 100°C.
Area (mm2) a( um/m°C) E (N/m2)
83 x 10
200 x 10
Bronze
600
18.9
Steel
400
11.7
Steel
Bronze
Steel
Transcribed Image Text:PROBLEM 4 At 20°C, there is a gap d = 0.2 mm between the lower end of the bronze bar and the rigid slab supported by two steel bars as shown. Neglecting the mass of the slab, determine the stress in each rod when the temperature assembly is increased to 100°C. Area (mm2) a( um/m°C) E (N/m2) 83 x 10 200 x 10 Bronze 600 18.9 Steel 400 11.7 Steel Bronze Steel
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