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 Nitric acid Hydrochloric acid Sulphuric acid Citric acid Nitric acid Hydrochloric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is alkaline None of these It is neutral It is acidic It is alkaline None of these It is neutral It is acidic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 400 1 in 80 1 in 60 1 in 10 1 in 400 1 in 80 1 in 60 1 in 10 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For drainage pipes in buildings the test applied before putting them to use, is All listed here Smoke test Water test Straightness test All listed here Smoke test Water test Straightness test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dry weather flow is: Water supply allowance per capita Average annual rate of flow Average daily rate of flow Average monthly rate of flow Water supply allowance per capita Average annual rate of flow Average daily rate of flow Average monthly rate of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 15 litres 20 litres 25 litres 10 litres 15 litres 20 litres 25 litres 10 litres ANSWER DOWNLOAD EXAMIANS APP