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
Removal of oil and grease from sewage, is known
A Screening
B Skimming
C Filtration
D None of these
Sewage treatment units are designed for
A Maximum flow only
B Minimum flow only
C Average flow only
D Maximum and minimum flow
The biochemical treatment of sewage effluents is essentially a process of
A Oxidation
B Dehydration
C Reduction
D Alkalinization
Sewage treatment units are normally designed for
A 5 - 10 years
B 15 - 20 years
C 30 - 40 years
D 40 - 50 years

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