Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Kutter Manning Chezy Bazin Kutter Manning Chezy Bazin 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 0.12 cumec 0.15 cumec 0.20 cumec 0.10 cumec 0.12 cumec 0.15 cumec 0.20 cumec 0.10 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 30 to 40% 40 to 60% 80 to 90% 60 to 80% 30 to 40% 40 to 60% 80 to 90% 60 to 80% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of sewer lines Water test is carried out to check water tightness of the joints All listed here Test for straightness is carried out with the help of a lamp and mirror Obstruction test is carried out with the help of smooth ball of diameter 13 mm Water test is carried out to check water tightness of the joints All listed here Test for straightness is carried out with the help of a lamp and mirror Obstruction test is carried out with the help of smooth ball of diameter 13 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following part of human body withstands minimum radiation? Ovaries/testis Eyes Kidneys Thyroid Ovaries/testis Eyes Kidneys Thyroid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer pipes All listed here Should resist the wear and tear caused due to abrasion Are designed for generating self-cleansing velocities at different discharge Carry sewage as gravity conduits All listed here Should resist the wear and tear caused due to abrasion Are designed for generating self-cleansing velocities at different discharge Carry sewage as gravity conduits ANSWER DOWNLOAD EXAMIANS APP
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