Page 403 - Handbook of Energy Engineering Calculations
P. 403

2. Specify the heater action and the usual type selected
               Using  the  same  identifying  letters  for  the  heaters  being  selected,  Table  1
               shows the action and usual type of heater chosen. Thus,













               3. Specify the usual pressure range and typical U
               Using  the  same  identifying  letters  for  the  heaters  being  selected.  Table  1
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