MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Crystallinity increases with increasing rate of cooling of a liquid. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Lead-oxide glass is called “crystal glass” because: |
| A. | It contains crystalline Pb |
| B. | It contains SiO2 crystals |
| C. | It contains PbO crystals |
| D. | None of the mentioned |
| Answer» E. | |
| 3. |
Consider the following cooling diagram for an amorphous solid.Glass-transition temperature is represented as: |
| A. | A |
| B. | B |
| C. | C |
| D. | None of the mentioned |
| Answer» C. C | |
| 4. |
Crystallinity increases with increasing rate of cooling of a liquid? |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Lead-oxide glass is called “crystal glass” because:$ |
| A. | It contains crystalline Pb |
| B. | It contains SiO<sub>2</sub> crystals |
| C. | It contains PbO crystals |
| D. | None of the mentioned |
| Answer» E. | |
| 6. |
Soda-lime glass is the most common type of glass. The component present in largest w/w percentage is: |
| A. | SiO<sub>2</sub> |
| B. | Al<sub>2</sub>O<sub>3</sub> |
| C. | Na<sub>2</sub>O |
| D. | CaO |
| Answer» B. Al<sub>2</sub>O<sub>3</sub> | |
| 7. |
Metal glasses differ from their crystalline counterparts in many ways. Chief application(s) of metal glasses include(s): |
| A. | Bullet-proof glasses |
| B. | Power transformers |
| C. | Conducting wires |
| D. | All of the mentioned |
| Answer» C. Conducting wires | |
| 8. |
Polycrystalline solids are isotropic. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Metal glass was first prepared at: |
| A. | California Institute of Technology |
| B. | Massachusetts Institute of Technology |
| C. | Technion |
| D. | University of Michigan |
| Answer» B. Massachusetts Institute of Technology | |
| 10. |
Which of the following properties is generally exhibited by amorphous solids? |
| A. | Anisotropy |
| B. | Glass-transition |
| C. | Equal strength of all bonds |
| D. | All of the mentioned |
| Answer» C. Equal strength of all bonds | |