Waste Water Engineering The normal value of over flow rates for plain primary sedimentation tanks, ranges between 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning’s formula, is given by Kutter William-Hazen Crimp and Bruges Bazin Kutter William-Hazen Crimp and Bruges Bazin ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope 1 in 20 1 in 5 1 in 15 1 in 10 1 in 20 1 in 5 1 in 15 1 in 10 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The clarigesters are Rectangular septic tanks Circular Imhoff double storey tanks without bottom hoppers Circular Imhoff double tanks with bottom hoppers Circular septic tanks Rectangular septic tanks Circular Imhoff double storey tanks without bottom hoppers Circular Imhoff double tanks with bottom hoppers Circular septic tanks 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 Methane Carbon dioxide Oxygen Hydrogen sulphide Methane Carbon dioxide Oxygen Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 20 cm 50 cm 40 cm 25 cm 20 cm 50 cm 40 cm 25 cm ANSWER DOWNLOAD EXAMIANS APP
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