Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 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 Dried sewage after treatment is used as Chemical for lowering B.O.D. Building material Base material for paints Fertilizer Chemical for lowering B.O.D. Building material Base material for paints Fertilizer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers Proper tests for the presence of poisonous gases must be carried out The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes The men entering the manhole should be advised to smoke in the sewer Warning signals should be erected Proper tests for the presence of poisonous gases must be carried out The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes The men entering the manhole should be advised to smoke in the sewer Warning signals should be erected ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Twice the average demand Four times the average demand Average demand Thrice the average demand Twice the average demand Four times the average demand Average demand Thrice the average demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Mean radius of sewer Cross-sectional area/wetted perimeter Mean of radii in a pipe line of varying cross -sections Difference in heads between two points in circular pipes Mean radius of sewer Cross-sectional area/wetted perimeter Mean of radii in a pipe line of varying cross -sections Difference in heads between two points in circular pipes ANSWER DOWNLOAD EXAMIANS APP
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