8.1 Stress Transformation by Method of Equations

Choose the best answer in the questions below.
The Poisson’s ratio of the material in questions below is 0.25.
image-st8-1

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1. 

The angle theta-image to find the normal stress on plane AA in Figure (a) using Equation 8.1 is

2. 

The angle theta-image to find the normal stress on plane AA in Figure (b) using Equation 8.1 is

3. 

The angle theta-image to find the normal stress on plane AA in Figure (c) using Equation 8.1 is

4. 

At a point in plane stress the principal stresses were found to be 22 ksi (T) and 14 ksi (C). The maximum shear stress at the point is

5. 

At a point in plane stress the principal stresses were found to be 22 ksi (T) and 14 ksi (T). The maximum shear stress at the point is

6. 

At a point in plane strain the principal stresses were found to be 22 ksi (T) and 14 ksi (C). The maximum shear stress at the point  is

7. 

At a point in plane strain the principal stresses were found to be 22 ksi (T) and 14 ksi (T). The maximum shear stress at the point is

8. 

st8-1-description

If the other principal stress was 150 MPa (T) then the principal angle 1 is

9. 

If the other principal stress was 150 MPa (C) then the principal angle 1 is

10. 

If the other principal stress was 75 MPa (T) then the principal angle 1 is


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