Related Questions

Stoneware pipes used for sewers for carrying sewage normally is joined by __________ joint.
A Spigot and socket
B Flanged iron
C Collar
D Expansion
For design of sewers, percentage of sewage discharge is assumed
A 65 to 70%
B 70 to 75%
C 75 to 80%
D 85%
Which of the following sewers is preferred for combined system of sewage?
A Circular sewer
B Egg shaped sewer
C Rectangular sewer
D None of the above
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
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
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
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
The most commonly used substance to speed up the sedimentation of sewage is
A Lime
B Sulphuric acid
C Chlorine
D Sodium bisulphite

Next steps