Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains Both A. and B. Neither A. nor B. With beds of rocks and gravels Lined with stones Both A. and B. Neither A. nor B. With beds of rocks and gravels Lined with stones ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A rainfall may be classified as acidic if its pH value is less or equal to 6 5 7 6.5 6 5 7 6.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Aeration is continued till stability Water is removed by centrifugal action Sludge is activated by constant stirring Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Water is removed by centrifugal action Sludge is activated by constant stirring Aeration is done with an admixture of previously aerated sludge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is Rectangular Circular New egged Parabolic Rectangular Circular New egged Parabolic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 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 100,000 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 100,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 1000 kg of sewage contains 0.225 kg in solution Both A and C of above 0.112 kg in solution 0.112 kg in suspension 0.225 kg in solution Both A and C of above 0.112 kg in solution 0.112 kg in suspension ANSWER DOWNLOAD EXAMIANS APP
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