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machine element is made of an alloy with Yield strength of 200 Mpa and fracture strain is 0.08. A machine element is characterized by the normal stress components as shown in the figure. The Answer [1-1-1-$1 1-1. The given material is................material a. elastic e. ductile b. brittle 1-2. The principal stresses (on, 0, 0)ure. a. (-100, -75, 150) MPa d. composite b. (100, 150, 75) MPa d. (150, 75, -100) MPa c. (150,-75,-100) MPa 1-3. The maximum shear stress is a. $7.5 MPa d. 175 MPa b. 112.5 MPa c. 125 MPa 14. The best theory that could be used for this material is a. Maximum shear stress theory b. Maximum normal stress theory c. Distortion energy theory d. Internal friction theory 1-5. The factor of safety using maximum shear stress theory is calculated using S, S a. n = S₁ b.n=- d.(a,and or, b) c. n=. 0₁-0 0²-0₁ 2T 1-6. The factor of safety using maximum shear stress theory is equal to d. 1.75 max 1.0.S b. 0.92 c. 1.25 1-7. The factor of safety using DE theory is calculated using a. n=- b.n=- C. 11= y d.n= 0₁-0 1-8. The factor of safety using maximum shear stress theory is equal to 27 a. 0.8 b. 0.92 c. 1.25 d. 1.75 o'-o' 75 MPa 100 MPa S₁ 150 NIPA machine element is made of an alloy with Yield strength of 200 Mpa and fracture strain is 0.08. A machine element is characterized by the normal stress components as shown in the figure. The Answer [1-1-1-$1 1-1. The given material is................material a. elastic e. ductile b. brittle 1-2. The principal stresses (on, 0, 0)ure. a. (-100, -75, 150) MPa d. composite b. (100, 150, 75) MPa d. (150, 75, -100) MPa c. (150,-75,-100) MPa 1-3. The maximum shear stress is a. $7.5 MPa d. 175 MPa b. 112.5 MPa c. 125 MPa 14. The best theory that could be used for this material is a. Maximum shear stress theory b. Maximum normal stress theory c. Distortion energy theory d. Internal friction theory 1-5. The factor of safety using maximum shear stress theory is calculated using S, S a. n = S₁ b.n=- d.(a,and or, b) c. n=. 0₁-0 0²-0₁ 2T 1-6. The factor of safety using maximum shear stress theory is equal to d. 1.75 max 1.0.S b. 0.92 c. 1.25 1-7. The factor of safety using DE theory is calculated using a. n=- b.n=- C. 11= y d.n= 0₁-0 1-8. The factor of safety using maximum shear stress theory is equal to 27 a. 0.8 b. 0.92 c. 1.25 d. 1.75 o'-o' 75 MPa 100 MPa S₁ 150 NIPA
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Related Book For
A First Course in the Finite Element Method
ISBN: 978-1305635111
6th edition
Authors: Daryl L. Logan
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