MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
In which of the following the alloy is rapidly cooled? |
| A. | Anealing |
| B. | Coring |
| C. | Hot working |
| D. | Cold working |
| Answer» C. Hot working | |
| 2. |
In a copper nickel system the tensile strength increases with an increase in the percentage of nickel in the alloy. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The copper-nickel system is an example of solid solution hardening. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
An alloy 30 wt% Ni- 70wt % Cu at 1095 C (2000 F) will lie in which state? |
| A. | Solid state |
| B. | Liquid state |
| C. | Mixture of solid and liquid state |
| D. | state |
| Answer» E. | |
| 5. |
An alloy 30 wt% Ni- 70wt % Cu at 1315 C (2400 F) will lie in which state? |
| A. | Solid state |
| B. | Liquid state |
| C. | Mixture of solid and liquid state |
| D. | state |
| Answer» C. Mixture of solid and liquid state | |
| 6. |
The number of components are 2, the number of phases is 1 and degrees of freedom are 2. Then which of the following equilibrium is it? |
| A. | Invariant |
| B. | Univariant |
| C. | Bivariant |
| D. | Trivariant |
| Answer» D. Trivariant | |
| 7. |
The number of components are 2, the number of phases are 2 and degrees of freedom are 1. Then which of the following equilibrium is it? |
| A. | Invariant |
| B. | Univariant |
| C. | Bivariant |
| D. | Trivariant |
| Answer» C. Bivariant | |