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प्रश्न
Give a scientific explanation.
A certain type of ceramic tile is fixed on the outer layer of a space shuttle.
उत्तर
The specific ceramic tiles used on the outer surface of the Space Shuttle are some Oxides like Alumina (Al2O3), zirconia (ZrO2) Silica (SiO2) and some other compounds like silicon carbide (SiC), boron carbide (B4C) are used instead of clay for making advanced ceramic. This ceramic requires a temperature of 1600 to 1800 °C and an oxygen free atmosphere for firing. The tiles made from these are resistant to all types of gases, water, and acids and are durable in the long run. These tiles are very light and are used as superconductors during disasters.
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