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Liquid mercury at 0.25kg/s is to be heated from 325 to 375K by passing it through a 35 -mm-diameter tube whose surface is maintained at

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Liquid mercury at 0.25kg/s is to be heated from 325 to 375K by passing it through a 35 -mm-diameter tube whose surface is maintained at 400K. (i) Calculate the required tube length, in m, by using an appropriate liquid metal convection heat transfer correlation. (ii) Calculate the required tube length, in m, using a correlation appropriate for Pr 0.7. Li=Lii=mm

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