Waste Water Engineering Dried sewage after treatment is used as Chemical for lowering B.O.D. Fertilizer Building material Base material for paints Chemical for lowering B.O.D. Fertilizer Building material Base material for paints ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of All of these Sulphates Carbon dioxide Nitrates All of these Sulphates Carbon dioxide Nitrates ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hume steel pipes are Steel pipes Both B and C Steel shell coated from inside with cement mortar Steel shell coated from outside with cement mortar Steel pipes Both B and C Steel shell coated from inside with cement mortar Steel shell coated from outside with cement mortar ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The first stage of neutral process of sludge digestion, is Acid regression None of these Acid fermentation Alkaline fermentation Acid regression None of these Acid fermentation Alkaline fermentation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 3 years 5 years 4 years 3.5 years 3 years 5 years 4 years 3.5 years ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.25 2.65 2.5 2.55 2.25 2.65 2.5 2.55 ANSWER DOWNLOAD EXAMIANS APP