Waste Water Engineering Hydraulic mean radius is Cross-sectional area/wetted perimeter Mean radius of sewer Difference in heads between two points in circular pipes Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Mean radius of sewer Difference in heads between two points in circular pipes Mean of radii in a pipe line of varying cross -sections ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called Windrow None of these Plateau A heap Windrow None of these Plateau A heap ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 20 days 30 days 60 days 10 days 20 days 30 days 60 days 10 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is 1000 5000 100 10000 1000 5000 100 10000 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time? 100 mm dia 225 mm dia 150 mm dia All of these 100 mm dia 225 mm dia 150 mm dia All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design purposes, the normal rate of infiltration of ground water into the sewer, is 1000 litres/km/cm 500 litres/km/cm 1500 litres/km/cm 2000 litres/km/cm 1000 litres/km/cm 500 litres/km/cm 1500 litres/km/cm 2000 litres/km/cm ANSWER DOWNLOAD EXAMIANS APP
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