Quiz: Section 2.8 Strength Failure Theories of Angle Lamina

1. If the strength ratio is greater than one, what will the lamina be considered as?

2. When is the failure in a material, according to the Tsai-Hill theory, assumed to occur?

3. Which failure theories does the concept of strength ratio apply to (check all that apply)?

4. The maximum stress and maximum strain failure theories give same or different results for strength ratio.  Which of the following is true (check all that apply).

5. Which failure theory is based on the total strain energy failure theory of Beltrami?

6. To apply the Tsai-Hill failure theory, you need to use

7. The Tsai-Hill failure theory is a

8. Strength ratio is defined as

9. The Tsai-Wu failure theory gives a more accurate prediction of failure criterion because