Related Questions

The most efficient cross-section of sewers in a combined sewerage system is
A Parabolic
B Circular
C Rectangular
D New egged
For design of sewers, percentage of sewage discharge is assumed
A 65 to 70%
B 70 to 75%
C 75 to 80%
D 85%
The most commonly used material for sewers for carrying sewage in the normal situation is
A Asbestos cement
B Stainiess steel
C Stoneware
D Cast iron
Stoneware pipes used for sewers for carrying sewage normally is joined by __________ joint.
A Spigot and socket
B Flanged iron
C Collar
D Expansion
The suitable cross-section of sewers to carry combined flow, is
A Circular
B Egg shaped
C Rectangular
D Horse shoe shaped
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

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