Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 8 to 16 hours 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Base material for paints Fertilizer Building material Chemical for lowering B.O.D. Base material for paints Fertilizer Building material Chemical for lowering B.O.D. ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Filtration process is used Both A and B Neither A nor B Biological action is used Filtration process is used Both A and B Neither A nor B Biological action is used ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering R.M.O. expenses include Maintenance expenses All of these Running expenses Operation expenses Maintenance expenses All of these Running expenses Operation expenses ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Are available in size Stoneware sewers 20 cm 15 cm 10 cm All of these 20 cm 15 cm 10 cm All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering hydraulically equivalent, the relationship which holds good, is D8/3 = 4 b8/3 D3/8 = 4 b3/8 D3/2 = 4 b3/2 D2/3 = 4 b2/3 D8/3 = 4 b8/3 D3/8 = 4 b3/8 D3/2 = 4 b3/2 D2/3 = 4 b2/3 ANSWER DOWNLOAD EXAMIANS APP