Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to All of these Initial demand First stage demand Carbonaceous demand All of these Initial demand First stage demand Carbonaceous demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering hydraulically equivalent, the relationship which holds good, is D8/3 = 4 b8/3 D2/3 = 4 b2/3 D3/8 = 4 b3/8 D3/2 = 4 b3/2 D8/3 = 4 b8/3 D2/3 = 4 b2/3 D3/8 = 4 b3/8 D3/2 = 4 b3/2 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Diesel vapours Hydrogen sulphide Carbondioxide gas Methane gas Diesel vapours Hydrogen sulphide Carbondioxide gas Methane gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Electrically Mechanically Hydraulically Manually Electrically Mechanically Hydraulically Manually ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering House connections to the laterals is generally made by R.C.C. P.C.C. Glazed stonewares Cast iron R.C.C. P.C.C. Glazed stonewares Cast iron ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced Near the inner surface of the pipe Near the outer surface of the pipe With elliptical cage Both A and B Near the inner surface of the pipe Near the outer surface of the pipe With elliptical cage Both A and B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS