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Plate heat exchanger was patented in which year?(a) 1890(b) 1990(c) 2009(d) 1790This question was posed to me in an interview.Question is from Heat Exchangers in section Building Blocks of Dairy Processing of Dairy Engineering

Answer»

Correct option is (a) 1890

To explain: The PLATE heat EXCHANGER was PATENTED in 1890 by the German inventors Langen and Hundhausen.



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