Related Questions

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
Generally the detention period for grit chambers is kept as
A 1 minute
B 5 minutes
C 24 hours
D 12 hours
During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank.
A Filtration
B Digestion
C Sedimentation
D Both B and C
In a grit chamber of a sewage treatment plant,
A Flow velocity 0.15 m to 0.3 m/sec is kept
B Depth of 0.9 m to 1.20 m is kept
C One minute of detention period is kept
D All the above
The recommended detention period for grit chambers is
A 1 minute
B 2 minutes
C 3 minutes
D 5 minutes
What is the name of two chambers of Swiss federal chambers-
A Senate and House of representatives
B House of Lords and House of Commons
C National Council and Council of States
D None of these
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

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