Waste Water Engineering The most widely used pump for lifting sewage is Centrifugal pump Reciprocating pump Pneumatic ejector Air pressure pump Centrifugal pump Reciprocating pump Pneumatic ejector Air pressure pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For large sewers, maximum distance between manholes may be 300 m 200 m 100 m 50 m 300 m 200 m 100 m 50 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is Parabolic Circular New egged Rectangular Parabolic Circular New egged Rectangular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Oxygen Hydrogen sulphide Methane Carbon dioxide Oxygen Hydrogen sulphide Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, Detention period is 2 hours The velocity of flow is restricted to 0.30 m/minute The shape is rectangular All of these Detention period is 2 hours The velocity of flow is restricted to 0.30 m/minute The shape is rectangular All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, The bottom is silted The bottom is scoured Neither silting nor scouring occurs at the bottom Both silting and scouring occur at the bottom The bottom is silted The bottom is scoured Neither silting nor scouring occurs at the bottom Both silting and scouring occur at the bottom ANSWER DOWNLOAD EXAMIANS APP
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