Waste Water Engineering Which one of the following resists hydrogen sulphide corrosion? R.C.C. Glazed stone wares Glazed ware Asbestos cement R.C.C. Glazed stone wares Glazed ware Asbestos cement ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering As compared to fresh river water, sea water contains oxygen 20% less 20% more 10% more 10% less 20% less 20% more 10% more 10% less ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 3 2 2.5 1.5 3 2 2.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Ferric chloride Ferric sulphate Alum Chlorinated coppers Ferric chloride Ferric sulphate Alum Chlorinated coppers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Improved version of grit chambers Those from which sludge is skimmed out Tanks provided with self- cleansing screens Used to remove the grease and oil Improved version of grit chambers Those from which sludge is skimmed out Tanks provided with self- cleansing screens Used to remove the grease and oil ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum diameter of sewers adopted in the designs is 3.0 m 1.0 m 2.0 m 4.0 m 3.0 m 1.0 m 2.0 m 4.0 m ANSWER DOWNLOAD EXAMIANS APP