Q. Which of the following is not used as a medium for high temperature heating ? (Solved)
1. Dowtherm
2. Mercury
3. Liquid metal (e.g. molten sodium)
4. Fused salts (e.g., an eutectic mixture of 53% KNO3, 40% NaNO2and 7% NaNO3)
- b. Mercury
1. Dowtherm
2. Mercury
3. Liquid metal (e.g. molten sodium)
4. Fused salts (e.g., an eutectic mixture of 53% KNO3, 40% NaNO2and 7% NaNO3)