Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.70 m/sec 0.60 m/sec 0.50 m/sec 0.75 m/sec 0.70 m/sec 0.60 m/sec 0.50 m/sec 0.75 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Carbon dioxide Methane Hydrogen sulphide Oxygen Carbon dioxide Methane Hydrogen sulphide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During purification process of sewage the gas given off, is Hydrogen Carbon dioxide Ammonia All listed here Hydrogen Carbon dioxide Ammonia All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of 100 cm 140 cm 120 cm 160 cm 100 cm 140 cm 120 cm 160 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge in septic tanks is recommended as 25 litres/person/month 30 litres/person/month 25 litres/person/year 30 litres/person/year 25 litres/person/month 30 litres/person/month 25 litres/person/year 30 litres/person/year ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected Proper tests for the presence of poisonous gases must be carried out 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 Warning signals should be erected Proper tests for the presence of poisonous gases must be carried out The men entering the manhole should be advised to smoke in the sewer ANSWER DOWNLOAD EXAMIANS APP
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