Q245
Which of the following is not used as a medium for high temperature heating?
A.
Dowtherm
B.
Mercury
AnswerC.
Liquid metal (e.g. molten sodium)
D.
Fused salts (e.g., an eutectic mixture of 53% KNO3, 40% NaNO2 and 7% NaNO3)
Answer: Option B
Solution
Answer: Option B
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