Waste Water Engineering The average temperature of sewage in India, is 25°C 20°C 10°C 15°C 25°C 20°C 10°C 15°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement sewers are Susceptible to corrosion by sulphuric acid All of these Light in weight Not structurally strong to bear large compressive stress Susceptible to corrosion by sulphuric acid All of these Light in weight Not structurally strong to bear large compressive stress ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is 1 in 60 1 in 100 None of these 1 in 120 1 in 60 1 in 100 None of these 1 in 120 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is 0.20 cumec 0.10 cumec 0.12 cumec 0.15 cumec 0.20 cumec 0.10 cumec 0.12 cumec 0.15 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope 1 in 10 1 in 5 1 in 15 1 in 20 1 in 10 1 in 5 1 in 15 1 in 20 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Traps Dissolve the foul gases Create symphonic action to increase the quick disposal of sewerage Are water seals which prevent the entry of foul gases Are used to trap the rats entering sewers Dissolve the foul gases Create symphonic action to increase the quick disposal of sewerage Are water seals which prevent the entry of foul gases Are used to trap the rats entering sewers ANSWER DOWNLOAD EXAMIANS APP