Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Nitric acid Citric acid Sulphuric acid Hydrochloric acid Nitric acid Citric acid Sulphuric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dry weather flow is: Average annual rate of flow Average monthly rate of flow Average daily rate of flow Water supply allowance per capita Average annual rate of flow Average monthly rate of flow Average daily rate of flow Water supply allowance per capita ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 0°C 25°C 15°C 20°C 0°C 25°C 15°C 20°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.65 2.25 2.5 2.55 2.65 2.25 2.5 2.55 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Disposal to sewage in large cities, is done in Irrigation Oxidation Purification Dilution Irrigation Oxidation Purification Dilution ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During purification process of sewage the gas given off, is Hydrogen All listed here Ammonia Carbon dioxide Hydrogen All listed here Ammonia Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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