Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is None of these 1 in 100 1 in 60 1 in 120 None of these 1 in 100 1 in 60 1 in 120 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Ammonia Methane Carbondioxide Carbon monoxide Ammonia Methane Carbondioxide Carbon monoxide 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 250 mg/l 150 mg/l 100 mg/l 50 mg/l 250 mg/l 150 mg/l 100 mg/l 50 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Ventilating shafts are provided to a sewer line at every 300 m 150 m 200 m 100 m 300 m 150 m 200 m 100 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is 20 m 75 m 30 m 45 m 20 m 75 m 30 m 45 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Stone ware pipes are Highly impervious Highly resistant to sulphide corrosion Especially suited to pressure pipes Hydraulically efficient because of their smooth interior surface Highly impervious Highly resistant to sulphide corrosion Especially suited to pressure pipes Hydraulically efficient because of their smooth interior surface ANSWER DOWNLOAD EXAMIANS APP
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