The steel railroad increases its length when exposed to heat from 70°F to 95°F. The coefficient of thermal expansion is 11.7 x 10€ m/m-°C. Find the strain. A. 4.53 x 10-4 B. 2.625 x 104 C. 1.625 x 10-4 D. 3.53 x 10-4

The steel railroad increases its length when exposed to heat from 70°F to 95°F. The coefficient of thermal expansion is 11.7 x 10€ m/m-°C. Find the strain. A. 4.53 x 10-4 B. 2.625 x 104 C. 1.625 x 10-4 D. 3.53 x 10-4

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.7.26P: - 7.2-26 The strains on the surface of an experiment al device made of pure aluminum (E = 70 GPa. v...

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Question

The steel railroad increases its length when exposed to heat from 70°F
to 95°F. The coefficient of thermal expansion is 11.7 x 10€ m/m-°C.
Find the strain.
A. 4.53 x 10-4
B. 2.625 x 104
C. 1.625 x 10-4
D. 3.53 x 10-4

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