Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Methane Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Ferric sulphate Chlorinated coppers Alum Ferric chloride Ferric sulphate Chlorinated coppers Alum Ferric chloride ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars of perforations of fine screens used for the treatment of sewage, is 2 to 3 mm 5 to 8 mm 3 to 5 mm 8 to 10 mm 2 to 3 mm 5 to 8 mm 3 to 5 mm 8 to 10 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars for perforations in coarse screens used for the treatment of sewage, is 30 mm 20 mm 50 mm 40 mm 30 mm 20 mm 50 mm 40 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Removal of oil and grease from sewage, is known None of these Skimming Screening Filtration None of these Skimming Screening Filtration ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is Cement concrete sewers Cast iron sewers Stone ware sewers Glazed bricks sewers Cement concrete sewers Cast iron sewers Stone ware sewers Glazed bricks sewers ANSWER DOWNLOAD EXAMIANS APP
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