Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to All of these Carbonaceous demand First stage demand Initial demand All of these Carbonaceous demand First stage demand Initial demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is Less than 150 Between 150 to 200 Between 200 to 300 More than 500 Less than 150 Between 150 to 200 Between 200 to 300 More than 500 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains Both A. and B. Neither A. nor B. With beds of rocks and gravels Lined with stones Both A. and B. Neither A. nor B. With beds of rocks and gravels Lined with stones ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During purification process of sewage the gas given off, is Hydrogen Ammonia All listed here Carbon dioxide Hydrogen Ammonia All listed here Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most widely used pump for lifting sewage is Pneumatic ejector Centrifugal pump Reciprocating pump Air pressure pump Pneumatic ejector Centrifugal pump Reciprocating pump Air pressure pump ANSWER DOWNLOAD EXAMIANS APP
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