MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials and Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Cellular concrete is used for ______ insulation. |
| A. | Thermal |
| B. | Chemical |
| C. | Sound |
| D. | Electrical |
| Answer» D. Electrical | |
| 2. |
Cork has a low thermal conductivity of _____ W/m K. |
| A. | 0.01 |
| B. | 0.04 |
| C. | 0.07 |
| D. | 0.1 |
| Answer» D. 0.1 | |
| 3. |
The resistance of an insulating material ______ as the temperature increases. |
| A. | Increases |
| B. | Decreases |
| C. | Remains the same |
| D. | Becomes infinitely large |
| Answer» C. Remains the same | |