Related Questions

During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank.
A Filtration
B Digestion
C Sedimentation
D Both B and C
Fine grit present in sewage is removed in the __________ during sewage treatment.
A Grit chamber
B Detritus tank
C Trickling filter
D Skimming tank
__________ substances present in sewage are removed in grit chamber during sewage treatment.
A Organic
B Fatty
C Inorganic
D Dissolved
Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is?
A Centrifugal pump
B Pneumatic ejector
C Reciprocating pump
D None of these
Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is
A H2
B CH4
C CO2
D N2
Which of the following pumps is used to pump sewage solids with liquid sewage without clogging the pump is?
A Centrifugal pump
B Pneumatic ejector
C Reciprocating pump
D None of these
The characteristics of fresh and septic sewage respectively are
A Acidic and alkaline
B Alkaline and acidic
C Both acidic
D Both alkaline
Fresh sewage is generally
A Alkaline
B Acidic
C Highly decomposed
D A source of objectionable odour
Fresh sewage is __________ in nature.
A Acidic
B Neutral
C Alkaline
D Highly acidic
Fresh domestic sewage is __________ in color.
A Grey
B Dark brown
C Red
D Black

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