Answer / murthy

cold fluid stream is to be lined up first.if hot fluid is
lined up first ,it will not get cooled at allfor few
minutes till cold fluid is lined and full flow is
attained.pipe line expansion can also occur due to on sided
heating.

Answer / narendra

cold fluid stream is to be lined up first.if hot fluid is
lined up first ,it will not get cooled at all,For few
minutes till cold fluid is lined up and full flow is
attained.Tube expansion or leackage can also occur due to
on sided heating.

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