In constant pressure filtration ?
Correct answer: D. Rate of filtration decreases with time
- A. Resistance decreases with time
- B. Rate of filtration is constant
- C. Rate of filtration increases with time
- D. Rate of filtration decreases with time
Explanation
At constant pressure, the growing filter cake continuously increases filtration resistance. Therefore, the filtration rate decreases with time even though the pressure difference remains fixed.
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