Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to All of these First stage demand Initial demand Carbonaceous demand All of these First stage demand Initial demand Carbonaceous demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 70 to 75% 75 to 80% 0.85 65 to 70% 70 to 75% 75 to 80% 0.85 65 to 70% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The dimensions of a rectangular settling tank are: length 24 m, width 6 m and depth 3 m. If 2 hour detention period for tanks is recommended, the rate of flow of sewage per hour, is 204 cu.m 216 cu.m 212 cu.m 208 cu.m 204 cu.m 216 cu.m 212 cu.m 208 cu.m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following resists hydrogen sulphide corrosion? R.C.C. Glazed ware Asbestos cement Glazed stone wares R.C.C. Glazed ware Asbestos cement Glazed stone wares ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of sewage is determined with the help of Imhoff Cone Turbid meter None of these Potentiometer Imhoff Cone Turbid meter None of these Potentiometer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 16 to 24 hours 24 to 36 hours 4 to 8 hours 8 to 16 hours 16 to 24 hours 24 to 36 hours 4 to 8 hours 8 to 16 hours ANSWER DOWNLOAD EXAMIANS APP
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