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 ratio of design discharge to the surface area of a sedimentation tank is called Overflow rate Surface loading Overflow velocity All of these Overflow rate Surface loading Overflow velocity All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hume steel pipes are Steel pipes Both B and C Steel shell coated from outside with cement mortar Steel shell coated from inside with cement mortar Steel pipes Both B and C Steel shell coated from outside with cement mortar Steel shell coated from inside with cement mortar ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering pH value of sludge during alkaline regression stage, is Less than 7 More than 7 More than 6 Less than 6 Less than 7 More than 7 More than 6 Less than 6 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For providing an Indian type W.C., the R.C.C. slabs in the toilet portion Need not be sunk Should be sunk by 50 cm Should be kept 20 cm above the adjacent portion Should be sunk by 20 cm Need not be sunk Should be sunk by 50 cm Should be kept 20 cm above the adjacent portion Should be sunk by 20 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is 30 minutes 1 hour and 30 minutes 1 hour 2 hours 30 minutes 1 hour and 30 minutes 1 hour 2 hours ANSWER DOWNLOAD EXAMIANS APP
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