MCQOPTIONS
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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Forming knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In the yield criteria of metal, von-mises criteria are also known as distortion energy theory. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The yield point is very important for controlling the various manufacturing processes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
In plastic deformation of metal, the metal strength decreases as the increase in its temperature. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
For the plastic deformation, it is not necessary to have higher applied stress than the yield strength of the material. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
The process of forming new grains in the material is known as re-crystallization. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Metal forming operations can only be performed when the material undergoes plastic deformation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
In crystalline materials, the plastic deformation occurs when the group of atoms or molecules slides past each other. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
The fluids reveal its flow behaviour when it is subjected to normal compressive stresses. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Elastic deformation can disappear completely when the load is removed from the metal. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
In plastic deformation of metal, the deformation is temporary and can regain its original shape. |
| A. | True |
| B. | False |
| Answer» C. | |