For each of the questions below, choose the correct answer.

Name

Email

1) In isotropic material the stress-strain equations are independent of location of the point.

True

False

2) In non-homogenous material the material constants are functions of coordinates.

True

False

3) The most general anisotropic material needs 36 independent constants to relate the six independent stress components to the six independent and strain at a point.

True

False

4) There are three independent material constant relating stresses and strains in isotropic material

True

False

5) The matrix relating stresses and strains for orthotropic material changes with coordinate transformation.

True

False

6) Principal directions for stress and strain are same for orthotropic material.

True

False

7) The Generalized Hooke’s law is valid for any orthogonal coordinate system for isotropic material.

True

False

8) The Generalized Hooke’s law is valid for non-homogenous, isotropic material.

True

False

9) Material volume does not change during deformation.

True

False

10) The maximum shear stress depends upon whether the point is in plane stress or plane strain.

True

False

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