Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 7 days 2 days 14 days 12 days 7 days 2 days 14 days 12 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.05 0.25 0.5 0.1 0.05 0.25 0.5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 3 m 3.5 m 4 m 4.5 m 3 m 3.5 m 4 m 4.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be 1.2 m 1.5 m > 1.5 m 0.9 cm 1.2 m 1.5 m > 1.5 m 0.9 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Base material for paints Chemical for lowering B.O.D. Fertilizer Building material Base material for paints Chemical for lowering B.O.D. Fertilizer Building material ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During purification process of sewage the gas given off, is Ammonia All listed here Carbon dioxide Hydrogen Ammonia All listed here Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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