In fluid flow, the boundary layer separation can not occur
in case of boundaries experiencing form drag.
at points of abrupt changes in the flow directions.
in laminar flow.
None of these.
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Phosphoric acid is produced in wet process from phosphate rock and
The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation as 43723 J/gm mole, its fugacity at 300 K would be
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium