Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 4 ppm 10 ppm 5 ppm 3 ppm 4 ppm 10 ppm 5 ppm 3 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Oxygen Methane Hydrogen sulphide Carbon dioxide Oxygen Methane Hydrogen sulphide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is 0.35 m/sec 0.45 m/sec 0.30 m/sec 0.40 m/sec 0.35 m/sec 0.45 m/sec 0.30 m/sec 0.40 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Chlorination of water is done for the removal of Hardness Suspended solids Sediments Bacterias Hardness Suspended solids Sediments Bacterias ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is? Reciprocating pump Pneumatic ejector None of these Centrifugal pump Reciprocating pump Pneumatic ejector None of these Centrifugal pump 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