MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
What is the maximum service temperature of aluminosilicate glass? |
| A. | 220oC |
| B. | 460oC |
| C. | 650oC |
| D. | 1200oC |
| Answer» D. 1200oC | |
| 2. |
What is 96% silica glass used for? |
| A. | Heat shield |
| B. | Combustion tubes |
| C. | Electronic tubes |
| D. | Temperature thermometers |
| Answer» B. Combustion tubes | |
| 3. |
How much SiO2 does Pyrex contain? |
| A. | 70.3% |
| B. | 73% |
| C. | 80.5% |
| D. | 91% |
| Answer» D. 91% | |
| 4. |
WHAT_IS_96%_SILICA_GLASS_USED_FOR??$ |
| A. | Heat shield |
| B. | Combustion tubes |
| C. | Electronic tubes |
| D. | Temperature thermometers |
| Answer» B. Combustion tubes | |
| 5. |
What_is_the_maximum_service_temperature_of_aluminosilicate_glass?$ |
| A. | 220<sup>o</sup>C |
| B. | 460<sup>o</sup>C |
| C. | 650<sup>o</sup>C |
| D. | 1200<sup>o</sup>C |
| Answer» D. 1200<sup>o</sup>C | |
| 6. |
Which type of glass is regarded as the most heat resistant? |
| A. | Fused silica |
| B. | Aluminosilicate |
| C. | 96% silica |
| D. | Borosilicate |
| Answer» B. Aluminosilicate | |
| 7. |
What are lead glasses used for? |
| A. | Kitchenware |
| B. | Optical components |
| C. | Electronic tubes |
| D. | Temperature thermometers |
| Answer» C. Electronic tubes | |
| 8. |
What is the crown type of glasses? |
| A. | Laboratory apparatus grade |
| B. | Optical grade |
| C. | Sealing type |
| D. | Ultraviolet transmitting type |
| Answer» C. Sealing type | |
| 9. |
What is the Kovar type of glass? |
| A. | Low expansion type |
| B. | Low electrical loss type |
| C. | Sealing type |
| D. | Ultraviolet transmitting type |
| Answer» D. Ultraviolet transmitting type | |
| 10. |
What is the maximum usable temperature of soda like glass? |
| A. | 860 F |
| B. | 941 F |
| C. | 1084 F |
| D. | 1324 F |
| Answer» B. 941 F | |
| 11. |
What is the melting temperature of fused quartz? |
| A. | 1112<sup>o</sup>C |
| B. | 1328<sup>o</sup>C |
| C. | 1525<sup>o</sup>C |
| D. | 1723<sup>o</sup>C |
| Answer» E. | |
| 12. |
How does the addition of magnesia and alumina affect soda lime glass? |
| A. | Enhances mechanical strength |
| B. | Reduces porosity |
| C. | Increases softening temperature |
| D. | Improves chemical durability |
| Answer» E. | |
| 13. |
How much SiO2 does Pyrex contain? |
| A. | 70.3% |
| B. | 73% |
| C. | 80.5% |
| D. | 91% |
| Answer» D. 91% | |