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During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank.
Fine grit present in sewage is removed in the __________ during sewage treatment.
__________ substances present in sewage are removed in grit chamber during sewage treatment.
Dried milk dried meat are examples of preservation by
Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is?
Which of the following pumps is used to pump sewage solids with liquid sewage without clogging the pump is?
Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is
The grit chambers of sewage treatment plants, are generally cleaned after
The spacing of bars of perforations of fine screens used for the treatment of sewage, is
The spacing of bars for perforations in coarse screens used for the treatment of sewage, is