Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Sulphuric acid Citric acid Nitric acid Hydrochloric acid Sulphuric acid Citric acid Nitric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Kjeldahl nitrogen is a mixture of All listed here Ammonia and nitrogen Organic nitrogen and ammonia Nitrogen and organic nitrogen All listed here Ammonia and nitrogen Organic nitrogen and ammonia Nitrogen and organic nitrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following resists hydrogen sulphide corrosion? R.C.C. Glazed stone wares Asbestos cement Glazed ware R.C.C. Glazed stone wares Asbestos cement Glazed ware ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum diameter of sewers adopted in the designs is 2.0 m 3.0 m 1.0 m 4.0 m 2.0 m 3.0 m 1.0 m 4.0 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The stone ware sewers All listed here Are manufactured from clays and shale Are used for carrying sewage and drainage from houses After casting are dried and burnt at temperature 150°C, 700°C and 1200°C All listed here Are manufactured from clays and shale Are used for carrying sewage and drainage from houses After casting are dried and burnt at temperature 150°C, 700°C and 1200°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers Warning signals should be erected The men entering the manhole should be advised to smoke in the sewer The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Proper tests for the presence of poisonous gases must be carried out Warning signals should be erected The men entering the manhole should be advised to smoke in the sewer The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Proper tests for the presence of poisonous gases must be carried out ANSWER DOWNLOAD EXAMIANS APP
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