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Objective Question & Answer

QUESTION

Objective Question

Q.1
Double filtration is used
A
To increase the filtration capacity of slow sand filters
B
To increase the filtration capacity of rapid sand filters
C
For isolated building like swimming pools, hotels etc
D
All of the above
Answer ( Option A)

To increase the filtration capacity of slow sand filters

Solution
Double filtration is used to increase the filtration capacity of slow sand filters
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