MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The following diagram shows the distribution of plastic zone (blue colored region) beneath the indenter during the Brinell hardness test. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
For an annealed metal, the Meyer’s hardness ___________ with increasing load. |
| A. | increases |
| B. | decreases |
| C. | remains constant |
| D. | depends upon the material |
| Answer» B. decreases | |
| 3. |
The Meyer’s hardness is more sensitive to applied load than the Brinell hardness test. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
The unit of Meyer’s hardness measurement is _________ |
| A. | kg |
| B. | kg/mm2 |
| C. | kg-mm |
| D. | Unit less |
| Answer» C. kg-mm | |
| 5. |
The mean pressure between the surface area of the indenter and indentation in Meyer’s hardness measurement is given by P/πr2 where P is applied load r is the radius of the surface area. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
The Meyer’s hardness measurement is based on the principle of ____________ |
| A. | surface area |
| B. | projected area |
| C. | depth of indentation |
| D. | unrecovered area |
| Answer» C. depth of indentation | |