Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding potassium permanganate Adding sulphuric acid Boiling Phenol-di-sulphuric acid Adding potassium permanganate Adding sulphuric acid Boiling Phenol-di-sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Fertilizer Chemical for lowering B.O.D. Base material for paints Building material Fertilizer Chemical for lowering B.O.D. Base material for paints Building material ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering With self cleansing velocity in sewers Neither silting nor scouring occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Silting occurs at bottom Neither silting nor scouring occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Silting occurs at bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 2 2.5 3 1.5 2 2.5 3 1.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a continuous flow type of sedimentation tanks Width of the tank is normally kept about 6 m Maximum horizontal flow velocity is limited to 0.3 m/minute Length of the tank is normally kept 4 to 5 times the width All listed here Width of the tank is normally kept about 6 m Maximum horizontal flow velocity is limited to 0.3 m/minute Length of the tank is normally kept 4 to 5 times the width All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Rate of flow of sewage is generally assumed Less than the rate of water supply More than the rate of water supply Equal to the rate of water supply At 150 litres per capita Less than the rate of water supply More than the rate of water supply Equal to the rate of water supply At 150 litres per capita ANSWER DOWNLOAD EXAMIANS APP
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