App Logo

No.1 PSC Learning App

1M+ Downloads
Slow sand filter is efficient to remove the bacteria from the raw water to an extend of:

A50%

B70%

C85%

D99%

Answer:

D. 99%


Related Questions:

In treating swimming pool, water the filtration system to be used IS
The organic impurities in water from a layer on the top of filtering media. Such a layer is
The sewer appurtenance constructed to provide a connection between the high level branch sewer to law level main sewer
Sewer pipes are made of
A sanitary sewer is expected to run