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Chapter 11, Problem 14P

Estimate the change in the length of a power transmission line in your state when the temperature changes by 50° F. Write a brief memo to your instructor discussing your findings.

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At a point on the surface of a generator shaft the stresses are σx = -55MPa, σy = 25MPa and Txy = -20MPa as shown in Figure Q1. (a) Using either analytical method or Mohr's circle determine the following: Stresses acting on an element inclined at an angle 0 = 35°, i. ii. iii. The maximum shear stress The principal stresses and B. 25 MPa A 55 MPa 20 MPa Figure 1:Material stress state (b) Consider that the Young's modulus for the material, E = 200kPa and Poisson's ratio, v = 0.25. i. ii. determine associate strains for the material with the stress as shown in Figure 1 determine associate strains for the material with the stress at element oriented at 35° (question 1a(i))
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Chapter 11 Solutions

WebAssign Homework Only for Moaveni's Engineering Fundamentals: An Introduction to Engineering, SI Edition, 6th Edition, [Instant Access]

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