Waste Water Engineering The pH value of fresh sewage is usually Less than 7 Equal to zero Equal to 7 More than 7 Less than 7 Equal to zero Equal to 7 More than 7 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 If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is 1 in 60 1 in 120 1 in 100 None of these 1 in 60 1 in 120 1 in 100 None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following tests is used for testing sewer pipes? Water test All of these Ball test Mirror test Water test All of these Ball test Mirror test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a residential colony, sewers of diameters 100 mm, 150 mm and 225 mm were laid with a gradient 1 in 120. Which portion of the sewage system does not choke in due course of time? 225 mm dia All of these 150 mm dia 100 mm dia 225 mm dia All of these 150 mm dia 100 mm dia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a fully mechanised composting plant, involves Mechanized receipt All of these Mechanized pulverising of refuse Mechanized segregation Mechanized receipt All of these Mechanized pulverising of refuse Mechanized segregation ANSWER DOWNLOAD EXAMIANS APP
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