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What happens when the net driving force is positive?

(a) Net fluid filtration takes place

(b) Net fluid reabsorption takes place

(c) Net fluid filtration stops

(d) Net fluid filtration stops

I have been asked this question in a national level competition.

This interesting question is from Filtration at Constant Pressure Drop topic in section Filtration of Food Processing Unit Operations

1 Answer

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Best answer
Right choice is (a) Net fluid filtration takes place

Easiest explanation: The net driving force for fluid movement is the net pressure gradient is known by the sum of the individual hydrostatic and oncotic pressures. When the net driving force is positive, there is net fluid filtration takes place.

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