Slow sand filter is efficient to remove the bacteria from the raw water to an extend of:
A50%
B70%
C85%
D99%
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Related Questions:
A sanitary sewer is expected to run
Shallow ponds in which dissolved oxygen is present at are depth are called:
The lowest point of the interior of a sewer or drain at any cross section is called:
It is constructed to provide a connection between the high level branch sewers to
low level main sewer with a minimum amount of disturbances
The solid or semi-solid waste from a house waste of food, peelings of vegetable, fruits etc is: