MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Materials Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following can be the tensile strength of fused silica (SiO2)? |
| A. | 110 MPa |
| B. | 150 Mpa |
| C. | 90 MPa |
| D. | 80 MPa |
| Answer» B. 150 Mpa | |
| 2. |
Which of the following shows the best fracture strength? |
| A. | Zircon |
| B. | Macor |
| C. | Alumina |
| D. | There fracture strength are not comparable |
| Answer» B. Macor | |
| 3. |
The largest constituent elements and flaws increase the flexural strength. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
For zircon for the same flaw size, the intensity factor is more than alumina. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following can be the tensile strength of fused silica (SiO2)? |
| A. | 110 MPa |
| B. | 150 Mpa |
| C. | 90 MPa |
| D. | 80 MPa |
| Answer» B. 150 Mpa | |
| 6. |
For edge flaws to occur which of the following should be the value of constant in stress intensity factor formula? |
| A. | 1.1 |
| B. | 1.2 |
| C. | 1.02 |
| D. | 1.12 |
| Answer» E. | |
| 7. |
Which of the following is a flexural strength not dependent on? |
| A. | Force |
| B. | Distance between supports |
| C. | Specimen width |
| D. | Length of specimen |
| Answer» E. | |
| 8. |
Which of the following is correct |
| A. | Aluminum oxide reaches fracture point before glass |
| B. | Aluminum oxide reaches fracture point after glass |
| C. | Aluminum oxide reaches fracture point at the same time as glass |
| D. | They do not reach a fracture point |
| Answer» B. Aluminum oxide reaches fracture point after glass | |
| 9. |
Which of the point is there in a stress strain curve for a ceramic? |
| A. | Ultimate tensile strength |
| B. | Fracture point |
| C. | Limit of proportionality |
| D. | Yield point |
| Answer» C. Limit of proportionality | |