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 0.5 0.05 0.25 0.1 0.5 0.05 0.25 0.1 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 20 litres 25 litres 15 litres 10 litres 20 litres 25 litres 15 litres 10 litres ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the velocity of flow should not be More than 20 m/sec Less than the self-cleansing velocity Less than 10 m/sec More than the self-cleansing velocity More than 20 m/sec Less than the self-cleansing velocity Less than 10 m/sec More than the self-cleansing velocity ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.75 m/sec 0.60 m/sec 0.70 m/sec 0.50 m/sec 0.75 m/sec 0.60 m/sec 0.70 m/sec 0.50 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, The bottom is scoured The bottom is silted Both silting and scouring occur at the bottom Neither silting nor scouring occurs at the bottom The bottom is scoured The bottom is silted Both silting and scouring occur at the bottom Neither silting nor scouring occurs at the bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The design period in years for pumping plants, is 5 to 10 3 to 5 1 2 to 3 5 to 10 3 to 5 1 2 to 3 ANSWER DOWNLOAD EXAMIANS APP
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