MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Metallurgy Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following Mohr’s Circle represents the condition of pure shear? |
| A. | a) |
| Answer» B. | |
| 2. |
Which of the following Mohr’s Circle represent the condition of pure uniaxial tension? |
| A. | a) |
| Answer» C. | |
| 3. |
Is it possible to determine the principal strains by Mohr’s circle? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
The point of intersection of the Mohr’s circle on the x-axis represents principal normal stresses because the shear stress at these points is zero. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Draw the Mohr’s circle for the following state of stress: |
| A. | Principal stresses = 50MPa, -50MPa. |
| B. | Maximum shear stress = 50MPa. |
| C. | a) |
| Answer» B. Maximum shear stress = 50MPa. | |
| 6. |
The X and Y- axis of Mohr’s circle represent ________ |
| A. | normal stress and shear stress |
| B. | shear stress and normal stress |
| C. | principal normal stress and principal shear stress |
| D. | principal shear stress and principal normal stress |
| Answer» B. shear stress and normal stress | |
| 7. |
An angle θ in the physical element is represented by ________ on Mohr’s circle. |
| A. | 2θ |
| B. | 3θ |
| C. | 4θ |
| D. | θ |
| Answer» B. 3θ | |
| 8. |
The radius of Mohr’s circle is equal to________ |
| A. | σx |
| B. | τmax |
| C. | σy |
| D. | (σx+σy)/2 |
| Answer» C. σy | |
| 9. |
Mohr’s Circle represents__________ |
| A. | the endurance limit to fatigue failure |
| B. | the state of stress at a point on an oblique plane |
| C. | the area of multiple circles |
| D. | the lattice planes of the crystal |
| Answer» C. the area of multiple circles | |