Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of None of these HCl H₂SO₄ HNO₃ None of these HCl H₂SO₄ HNO₃ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is 1 in 60 None of these 1 in 120 1 in 100 1 in 60 None of these 1 in 120 1 in 100 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most widely used pump for lifting sewage is Pneumatic ejector Centrifugal pump Air pressure pump Reciprocating pump Pneumatic ejector Centrifugal pump Air pressure pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine None of these Suspended solids Dissolved solids Settleable solids None of these Suspended solids Dissolved solids Settleable solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering House connections to the laterals is generally made by R.C.C. Glazed stonewares Cast iron P.C.C. R.C.C. Glazed stonewares Cast iron P.C.C. ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During preliminary treatment of a sewage Oil and grease are removed from skimming tanks Floating materials are removed by screening Girt and sand are removed by girt chambers All listed here Oil and grease are removed from skimming tanks Floating materials are removed by screening Girt and sand are removed by girt chambers All listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS