+1 vote
in Food Processing Unit Operations by (110k points)
What happens when the net driving force is negative?

(a) Net fluid filtration takes place

(b) Net fluid reabsorption takes place

(c) Net fluid filtration stops

(d) Net fluid filtration stops

This question was posed to me during an online exam.

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

1 Answer

+2 votes
by (736k points)
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Best answer
Right choice is (a) Net fluid filtration takes place

The best I can explain: The net driving force is the net pressure gradient for a fluid movement. It is calculated as the sum of the individual oncotic and hydrostatic pressures. When net driving force is negative, there is net fluid reabsorption.

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