MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Melting point of copper (in oC) is? |
| A. | 985 |
| B. | 1085 |
| C. | 1453 |
| D. | 1200 |
| Answer» C. 1453 | |
| 2. |
The line joining a solid phase with liquid and solid phase mixture is known as _____________ |
| A. | Liquidus |
| B. | Solidus |
| C. | Tie line |
| D. | Solvus |
| Answer» C. Tie line | |
| 3. |
The Line joining a liquid phase with liquid and solid phase mixture is known as ____________ |
| A. | Liquidus |
| B. | Solidus |
| C. | Tie line |
| D. | Solvus |
| Answer» B. Solidus | |
| 4. |
For binary phase diagram Gibbs phase rule may be given as ____________ |
| A. | F = C + P + 2 |
| B. | F = C – P + 2 |
| C. | F = C – P + 1 |
| D. | F = C + P – 1 |
| Answer» D. F = C + P – 1 | |
| 5. |
The invariant reaction involving two solid phases changing into a single solid phase on cooling is known as ___________ |
| A. | Eutectoid point |
| B. | Eutectic point |
| C. | Peritectic point |
| D. | Peritectoid point |
| Answer» E. | |
| 6. |
The invariant reaction involving a liquid phase and a solid phase changing into a single solid phase on cooling is known as ____________ |
| A. | Eutectoid point |
| B. | Eutectic point |
| C. | Peritectic point |
| D. | Peritectoid point |
| Answer» D. Peritectoid point | |
| 7. |
The invariant reaction involving a solid phase decomposing into two different solids on cooling is known as ____________ |
| A. | Eutectoid point |
| B. | Eutectic point |
| C. | Peritectic point |
| D. | Peritectoid point |
| Answer» B. Eutectic point | |
| 8. |
The invariant reaction involving, a liquid phase decomposing into two different solids on cooling is known as _________ |
| A. | Eutectoid point |
| B. | Eutectic point |
| C. | Peritectic point |
| D. | Peritectoid point |
| Answer» C. Peritectic point | |
| 9. |
Number of degrees of freedom at a triple point in unary phase diagram is? |
| A. | 1 |
| B. | 10 |
| C. | 0 |
| D. | -1 |
| Answer» D. -1 | |
| 10. |
Which of the following equation represents the Gibbs phase rule? |
| A. | F = C + P + 2 |
| B. | F = C – P + 2 |
| C. | F = C + P + 1 |
| D. | F = C + P – 1 |
| Answer» C. F = C + P + 1 | |
| 11. |
LINE_JOINING_SOLID_PHASE_WITH_LIQUID_AND_SOLID_PHASE_MIXTURE_IS_KNOWN_AS:?$ |
| A. | Liquidus |
| B. | Solidus |
| C. | Tie line |
| D. | None of the mentioned |
| Answer» C. Tie line | |
| 12. |
Melting_point_of_copper_in_degree_centigrade_is_equal_to_:$ |
| A. | 985 |
| B. | 1085 |
| C. | 1453 |
| D. | 1200 |
| Answer» C. 1453 | |
| 13. |
Line joining liquid phase with liquid and solid phase mixture is known as ? |
| A. | Liquidus |
| B. | Solidus |
| C. | Tie line |
| D. | None of the mentioned |
| Answer» B. Solidus | |
| 14. |
When at a point two solid phase changes to one solid phase on cooling then it is known as : |
| A. | Eutectoid point |
| B. | Eutectic point |
| C. | Peritectic point |
| D. | Peritectoid point |
| Answer» E. | |
| 15. |
When at a point liquid and solid phase decomposes into solid phase on cooling then it is known as : |
| A. | Eutectoid point |
| B. | Eutectic point |
| C. | Peritectic point |
| D. | Peritectoid point |
| Answer» D. Peritectoid point | |
| 16. |
When at a point liquid phase decomposes into two different solids on cooling then it is known as : |
| A. | Eutectoid point |
| B. | Eutectic point |
| C. | Peritectic point |
| D. | Peritectoid point |
| Answer» C. Peritectic point | |
| 17. |
Degree of freedom at a triple point is equal to : |
| A. | 1 |
| B. | 10 |
| C. | 0 |
| D. | -1 |
| Answer» D. -1 | |
| 18. |
Gibbs phase rule is given by which of the following equation? |
| A. | D=C+P+2 |
| B. | D=C-P+2 |
| C. | D=C+P+1 |
| D. | D=C+P-1 |
| Answer» C. D=C+P+1 | |