Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 5 years 3 years 3.5 years 4 years 5 years 3 years 3.5 years 4 years ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is More than 500 Between 150 to 200 Between 200 to 300 Less than 150 More than 500 Between 150 to 200 Between 200 to 300 Less than 150 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Citric acid Hydrochloric acid Sulphuric acid Nitric acid Citric acid Hydrochloric acid Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of sewer to be adopted is 10 cm 15 cm 25 cm 12.5 cm 10 cm 15 cm 25 cm 12.5 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which transports the sewage to the point of treatment, is called Out-fall sewer Main sewer House sewer Branch sewer Out-fall sewer Main sewer House sewer Branch sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Self-cleansing velocity is Velocity at dry weather flow Velocity of water in a pressure filter Velocity at which no accumulation remains in the drains Velocity of water at flushing Velocity at dry weather flow Velocity of water in a pressure filter Velocity at which no accumulation remains in the drains Velocity of water at flushing ANSWER DOWNLOAD EXAMIANS APP
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