Waste Water Engineering Which one of the following resists hydrogen sulphide corrosion? Glazed ware R.C.C. Glazed stone wares Asbestos cement Glazed ware R.C.C. Glazed stone wares Asbestos cement 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 50 mg/l 150 mg/l 100 mg/l 250 mg/l 50 mg/l 150 mg/l 100 mg/l 250 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.84 D D’ = 0.94 D D’ = 0.64 D D’ = 0.74 D D’ = 0.84 D D’ = 0.94 D D’ = 0.64 D D’ = 0.74 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum None of these In freshly produced sewage In sewer treatment plants At sewer pipes None of these In freshly produced sewage In sewer treatment plants At sewer pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a rectangular sewer is twice its depth while discharging 1.5 m/sec. The width of the sewer is 1.36 m 0.88 m 0.68 m 1.76 m 1.36 m 0.88 m 0.68 m 1.76 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is 1 in 60 None of these 1 in 100 1 in 120 1 in 60 None of these 1 in 100 1 in 120 ANSWER DOWNLOAD EXAMIANS APP
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