Waste Water Engineering With self cleansing velocity in sewers Scouring occurs at bottom Silting occurs at bottom Neither silting nor scouring occurs at bottom Both silting and scouring occur at bottom Scouring occurs at bottom Silting occurs at bottom Neither silting nor scouring occurs at bottom Both silting and scouring occur at bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for secondary sedimentation tanks, ranges between 80,000 to 10,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the highest non-scouring velocity is achieved in Cement concrete sewers Glazed bricks sewers Cast iron sewers Stone ware sewers Cement concrete sewers Glazed bricks sewers Cast iron sewers Stone ware sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 15 cumecs, the depth d and width are related by For drains up to B = 0.5 d d = 0.5 B B = 0.2 d d = 0.2 B B = 0.5 d d = 0.5 B B = 0.2 d d = 0.2 B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by Oxidation All listed here Sedimentation Screening Oxidation All listed here Sedimentation Screening ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of fresh sewage is usually Equal to zero Less than 7 Equal to 7 More than 7 Equal to zero Less than 7 Equal to 7 More than 7 ANSWER DOWNLOAD EXAMIANS APP