34+ 20°c, arigid slab is supported. as shown. At what temperature. the stress in the steelrod will be zero? For steel: α =11.7x10 6 / °C, E= 200 hPa A = 6000mm, L=300mm w=540KN Steel Bronze Bronze For Bronze; α = 19 x15 % / °C, E = 83 GPa, A = 6000 m², L=250mm. Ans. T-129'C

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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34+ 20°c, arigid slab is supported.
as shown. At what temperature.
the stress in the steelred will be zero?
For steel: &=11.7x106 /°C, E = 2006 Pa
A = 6000 mm, L= 300mm
For Bronze; α = 19 x15 % / °C, E = 83 GPa, A = 6000 m², L=250mm.
Ans. T=129'C
w=540kN
Bronze Steel
Bronze
Transcribed Image Text:34+ 20°c, arigid slab is supported. as shown. At what temperature. the stress in the steelred will be zero? For steel: &=11.7x106 /°C, E = 2006 Pa A = 6000 mm, L= 300mm For Bronze; α = 19 x15 % / °C, E = 83 GPa, A = 6000 m², L=250mm. Ans. T=129'C w=540kN Bronze Steel Bronze
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