Waste Water Engineering Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for Unexpected increase in the population Under estimates of maximum and average flows All of these Unexpected large scale infiltration of stream water Unexpected increase in the population Under estimates of maximum and average flows All of these Unexpected large scale infiltration of stream water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 12 days 7 days 2 days 14 days 12 days 7 days 2 days 14 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is 20 m 30 m 24 m 16 m 20 m 30 m 24 m 16 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Hydrogen sulphide Carbon dioxide Oxygen Methane Hydrogen sulphide Carbon dioxide Oxygen Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Primary treatment of sewage consists of removal of Large suspended organic solids Oil and grease Sand and girt Floating materials Large suspended organic solids Oil and grease Sand and girt Floating materials ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the effect of scouring is more on Bottom side Horizontal side Top side All sides Bottom side Horizontal side Top side All sides ANSWER DOWNLOAD EXAMIANS APP
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