MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
Critical cooling rate required is less in CCT than in TTT diagrams. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following scientist gave a method to calculate the transformation temperature during continuous cooling? |
| A. | Scheil s |
| B. | Newton |
| C. | Jominy |
| D. | Einstein |
| Answer» B. Newton | |
| 3. |
Jominy end quench test is used for type 2 CCT diagram. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Slope change in a CCT diagram signify _________ |
| A. | Change in temperature |
| B. | Change in pressure |
| C. | Change in phase |
| D. | Change in state |
| Answer» D. Change in state | |
| 5. |
Which physical property is normally measured to determine a CCT diagram? |
| A. | Hardness |
| B. | Magnetic permeability |
| C. | Pressure |
| D. | Ductility |
| Answer» C. Pressure | |
| 6. |
How many types of CCT diagram are there? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 7. |
In continuous cooling transformation diagrams, which of the following is true? |
| A. | The material is cooled rapidly |
| B. | The material is first heated and then cooled rapidly |
| C. | The material is cooled at a certain rate |
| D. | The material is kept at a constant temperature |
| Answer» D. The material is kept at a constant temperature | |
| 8. |
Continuous cooling transformation diagrams are mainly drawn for _________ |
| A. | Iron |
| B. | Manganese |
| C. | Any alloy |
| D. | steel |
| Answer» E. | |