Filtration rate is affected by the________________?
Correct answer: D. All A., B. and C.
- A. Pressure drop across the cake & filter medium
- B. Cake & filter medium resistance
- C. Area of filtering surface & the viscosity of filtrate
- D. All A., B. and C.
Explanation
From the filtration equation, rate increases with pressure drop and filtering area, but decreases with cake resistance, medium resistance, and filtrate viscosity. Since all three listed groups affect the rate, the combined choice is correct.
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