MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
Which of these is not a property of thermocole? |
| A. | Heat insulator |
| B. | Lightweight |
| C. | Receptive to fungus |
| D. | Odorless |
| Answer» D. Odorless | |
| 2. |
Which of these is not a standard thickness in which thermocole is available in? |
| A. | 10 mm |
| B. | 37.5 mm |
| C. | 50 mm |
| D. | 75 mm |
| Answer» E. | |
| 3. |
What is the maximum heat insulation of thermocole? |
| A. | 100<sup>o</sup>C |
| B. | 200<sup>o</sup>C |
| C. | 500<sup>o</sup>C |
| D. | 750<sup>o</sup>C |
| Answer» C. 500<sup>o</sup>C | |
| 4. |
What is known as expandable polystyrene? |
| A. | Glass wool |
| B. | Fiberglass |
| C. | Thermocole |
| D. | Cement |
| Answer» D. Cement | |
| 5. |
Which type of glass wool is used in space suits? |
| A. | Bonded type |
| B. | Low-density wool |
| C. | Coarse wool |
| D. | Unbonded type |
| Answer» C. Coarse wool | |
| 6. |
What are the applications of the unbounded type of glass wool? |
| A. | Space suits |
| B. | Sound insulation in airplanes |
| C. | Air filters |
| D. | House ceiling |
| Answer» E. | |
| 7. |
Short fibers of glass wool can be used up to _______ |
| A. | 500<sup>o</sup>C |
| B. | 600<sup>o</sup>C |
| C. | 700<sup>o</sup>C |
| D. | 800<sup>o</sup>C |
| Answer» B. 600<sup>o</sup>C | |
| 8. |
How is glass wool formed? |
| A. | Hot working |
| B. | Direct melting |
| C. | Cold working |
| D. | Extrusion |
| Answer» C. Cold working | |