Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Hydrochloric acid Sulphuric acid Citric acid Nitric acid Hydrochloric acid Sulphuric acid Citric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The design period in years for pumping plants, is 2 to 3 3 to 5 1 5 to 10 2 to 3 3 to 5 1 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is 2 hours 4 hours 6 hours 8 hours 2 hours 4 hours 6 hours 8 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Two sewer lines intersect Sewer line runs along a main road Invert level of a branch sewer is more than 60 cm that of the main sewer Ordinary manhole cannot be built Two sewer lines intersect Sewer line runs along a main road Invert level of a branch sewer is more than 60 cm that of the main sewer Ordinary manhole cannot be built ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Manually Hydraulically Mechanically Electrically Manually Hydraulically Mechanically Electrically ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following tests is used for testing sewer pipes? All of these Water test Mirror test Ball test All of these Water test Mirror test Ball test ANSWER DOWNLOAD EXAMIANS APP
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