Waste Water Engineering In sewers the velocity of flow should not be More than the self-cleansing velocity More than 20 m/sec Less than 10 m/sec Less than the self-cleansing velocity More than the self-cleansing velocity More than 20 m/sec Less than 10 m/sec Less than the self-cleansing velocity ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for A particle to travel from top surface to bottom sludge zone A particle to travel along its length The flow of sewage to fill the tank None of these A particle to travel from top surface to bottom sludge zone A particle to travel along its length The flow of sewage to fill the tank None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead caulked joints are used for laying Earthenware pipes Stone ware pipes G.I. pipes I. pipes Earthenware pipes Stone ware pipes G.I. pipes I. pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of Nitrates Sulphates Carbon dioxide All of these Nitrates Sulphates Carbon dioxide All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is 100 cm 120 cm 150 cm 110 cm 100 cm 120 cm 150 cm 110 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 10 litres 15 litres 25 litres 20 litres 10 litres 15 litres 25 litres 20 litres ANSWER DOWNLOAD EXAMIANS APP
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