MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which reaction does this equation denote?Solid 1 + Solid 2 →Solid 3 |
| A. | Eutectic |
| B. | Peritectic |
| C. | Eutectoid |
| D. | Peritectoid |
| Answer» E. | |
| 2. |
Which reaction does this equation denote?Liquid + Solid 1 → Solid 2 |
| A. | Eutectic |
| B. | Peritectic |
| C. | Eutectoid |
| D. | Peritectoid |
| Answer» C. Eutectoid | |
| 3. |
The point at which two liquidus lines meet is known as __ ________ |
| A. | Eutectic point |
| B. | Isothermal point |
| C. | Solvus point |
| D. | Peritectic point |
| Answer» B. Isothermal point | |
| 4. |
Separation of single-phase solid regions from two-phase solid regions is done by _________ |
| A. | Solidus line |
| B. | Liquidus line |
| C. | Solvus line |
| D. | Eutectic point |
| Answer» D. Eutectic point | |
| 5. |
What is the line QR in this fooling curve known as? |
| A. | Latent heating line |
| B. | Eutectic compound system |
| C. | Binary solid |
| D. | Horizontal thermal arrest |
| Answer» E. | |
| 6. |
How is Gibb’s phase rule defined? |
| A. | C+P+1 |
| B. | C+P+2 |
| C. | C-P+2 |
| D. | C-P |
| Answer» D. C-P | |
| 7. |
In this figure, what does O denote? |
| A. | Melting point |
| B. | Boiling point |
| C. | Triple point |
| D. | Vaporization point |
| Answer» D. Vaporization point | |
| 8. |
Which of the following cannot be obtained using a phase diagram? |
| A. | Melting temperatures of various phases |
| B. | Temperature range for solidification |
| C. | Equilibrium solid solubility |
| D. | Purity of materials |
| Answer» E. | |
| 9. |
Which of the following is not a name for phases present in a system of material in various conditions? |
| A. | Phase diagram |
| B. | Equilibrium diagram |
| C. | Interstitial diagram |
| D. | Constitutional diagram |
| Answer» D. Constitutional diagram | |
| 10. |
SEPARATION_OF_SINGLE-PHASE_SOLID_REGIONS_FROM_TWO-PHASE_SOLID_REGIONS_IS_DONE_BY__________?$ |
| A. | Solidus line |
| B. | Liquidus line |
| C. | Solvus line |
| D. | Eutectic point |
| Answer» D. Eutectic point | |
| 11. |
Which reaction does this equation denote?$ |
| A. | |
| B. | Eutectic |
| C. | Peritectic |
| Answer» C. Peritectic | |
| 12. |
The point at which two liquidus lines meet is known as __ ________$ |
| A. | Eutectic point |
| B. | Isothermal point |
| C. | Solvus point |
| D. | Peritectic point |
| Answer» B. Isothermal point | |
| 13. |
How is Gibb’s phase rule defined?# |
| A. | C+P+1 |
| B. | C+P+2 |
| C. | C-P+2 |
| D. | C-P |
| Answer» D. C-P | |
| 14. |
What is the triple point of water? |
| A. | 0.0022<sup>o</sup>C |
| B. | 0.0098<sup>o</sup>C |
| C. | 0.022<sup>o</sup>C |
| D. | 0.098<sup>o</sup>C |
| Answer» C. 0.022<sup>o</sup>C | |
| 15. |
The maximum concentration of solute that can be added is defined as ____________ |
| A. | Solution limit |
| B. | Solubility limit |
| C. | Concentration |
| D. | Degrees of freedom |
| Answer» C. Concentration | |
| 16. |
How many types of systems are applicable for phase diagrams? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» E. | |
| 17. |
A specific body of material or a series of alloys with the same compositions is/are known as _________ |
| A. | Component |
| B. | System |
| C. | Alloy |
| D. | Solute |
| Answer» C. Alloy | |