Drag is the force component exerted on an immersed object,
passing the centroid of the body at 60°to the direction of motion.
the component being parallel to theflow direction.
the component being normal to the flow direction.
None of these.
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Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium
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