Dowtherm is a____________________?
Correct answer: A. High temperature heating medium (a petroleum product)
- A. High temperature heating medium (a petroleum product)
- B. Product of coal tar distillation
- C. Very heat sensitive material
- D. None of these
Explanation
Dowtherm is a high-temperature heat-transfer fluid used where water or steam cannot provide the required operating temperature. Commercial Dowtherm fluids are organic mixtures, commonly based on diphenyl and diphenyl oxide.
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