A steel rod with a cross-sectional area of 180 mm2 is stretched between two fixed points. The tensile load at 25°C is 3,600N. Assume thermal coefficient equal to 11.7 x 10-6 mm/ (mm°C) and E = 200 GPa. Which of the following most nearly gives the temperature at which the compressive stress will be 48 MPa? Which of the following most nearly gives the temperature at which the tensile stress will be 48 MPa? Which of the following most nearly gives the temperature at which the stress will be zero?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A steel rod with a cross-sectional area of 180 mm2 is stretched between two fixed points. The tensile load at 25°C is 3,600N. Assume thermal coefficient equal to 11.7 x 10-6 mm/ (mm°C) and E = 200 GPa.

Which of the following most nearly gives the temperature at which the compressive stress will be 48 MPa?

Which of the following most nearly gives the temperature at which the tensile stress will be 48 MPa?

Which of the following most nearly gives the temperature at which the stress will be zero?

 

 

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