The rate of Alteration of pressure filters is
A. less than that of slow sand filters
B. in between the filtration rate of slow sand filters and rapid sand filters
C. greater than that of rapid sand filters
D. equal to that of slow sand filters
Answer:C
The rate of Alteration of pressure filters is
A. less than that of slow sand filters B. in between the filtration rate of slow sand filters and rapid sand filters C. greater than that of rapid sand filters D. equal to that of slow sand filters