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prszm20a

# prszm20a - E = 100 GPa and Poisson's ratio n = 0.1 The...

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M20 Concept Question 1 Strain gauges are applied to a block of linear elastic isotropic material with Young's modulus E = 100 GPa and Poisson's ratio n = 0.1. The block is loaded and strains: e x = 100 µ e , e y = -1000µ e , e z = 100µ e are recorded. The applied loading most simply/accurately corresponds to: 1. s x = 10 MPa , s y = - 100 MPa , s z = 10 MPa , 2. s x = - 10 MPa , s y = + 100 MPa , s z = - 10 MPa , 3. s x = 0, s y = + 100 MPa , s z = 0, s x = ( l + 2 m ) e x + le y + le z , 4. s = ( l + 2 m ) e y + le x + le z , y s z = ( l + 2 m ) e z + le x + le y 5. s x = 0, s y = - 100 MPa , s z = 0, 6. Some other expression 7. DNK/DNU

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M20 Concept Question 2 Strain gauges are applied to a block of linear
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Unformatted text preview: E = 100 GPa and Poisson's ratio n = 0.1. The block is loaded and strains: e x = 0 e y = 0, e z = -1000µ e , are recorded. Which of the following is a true statement : 1. s x = 0, y = 0, z = -100 MPa , 2. x ≠ 0, y ≠ 0, z = -100 MPa , 3 . x ≠ 0, y ≠ 0, z ≠ -100 MPa , 4. The material properties were incorrectly stated 5. x = 0, y = 0, z ≠ -100 MPa , 6. None of the statements above are true 7. DNK/DNU...
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