MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
CORK_IS_COMPOSED_OF_______AIR.?$ |
| A. | <1% |
| B. | <10% |
| C. | 20% |
| D. | >50% |
| Answer» E. | |
| 2. |
Pyroceram glass softens above _____? |
| A. | 1000<sup>o</sup>C |
| B. | 2000<sup>o</sup>C |
| C. | 4500<sup>o</sup>C |
| D. | 5500<sup>o</sup>C |
| Answer» C. 4500<sup>o</sup>C | |
| 3. |
Pyrex glass is otherwise known as _________ glass. |
| A. | soda lime |
| B. | fused silica |
| C. | borosilicate |
| D. | pyroceram |
| Answer» D. pyroceram | |
| 4. |
What makes up the primary composition of glass? |
| A. | MgO |
| B. | K<sub>2</sub>O |
| C. | SiO<sub>2</sub> |
| D. | BaO |
| Answer» D. BaO | |
| 5. |
Which is of following is not an asbestos mineral? |
| A. | Actinolite |
| B. | Amosite |
| C. | Crocidolite |
| D. | Pyroceram |
| Answer» E. | |
| 6. |
What is the specific heat of Chrysotile? |
| A. | 0.033 |
| B. | 0.266 |
| C. | 0.469 |
| D. | 0.788 |
| Answer» C. 0.469 | |
| 7. |
Which of the following is a characteristic of asbestos minerals? |
| A. | Poor strength |
| B. | Heat resistance |
| C. | Poor bonding |
| D. | Reacts with acids |
| Answer» C. Poor bonding | |
| 8. |
What kind of mineral is Chrysotile? |
| A. | Glass |
| B. | Asbestos |
| C. | Diamond |
| D. | Cork |
| Answer» C. Diamond | |
| 9. |
Which of the following is an application of asbestos? |
| A. | Fireproofing |
| B. | Conduction of heat |
| C. | X-ray tubes |
| D. | Optical glass |
| Answer» B. Conduction of heat | |