Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Manually Electrically Mechanically Hydraulically Manually Electrically Mechanically Hydraulically ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 100 mg/l 150 mg/l 50 mg/l 250 mg/l 100 mg/l 150 mg/l 50 mg/l 250 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 15 cumecs, the depth d and width are related by For drains up to d = 0.5 B B = 0.2 d B = 0.5 d d = 0.2 B d = 0.5 B B = 0.2 d B = 0.5 d d = 0.2 B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 100 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 Lead acetate test in sewer manhole is done to test the presence of Hydrogen sulphide Diesel vapours Methane gas Carbondioxide gas Hydrogen sulphide Diesel vapours Methane gas Carbondioxide gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept 5 0.25 2 10 5 0.25 2 10 ANSWER DOWNLOAD EXAMIANS APP
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