Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 100 mg/l 250 mg/l 50 mg/l 150 mg/l 100 mg/l 250 mg/l 50 mg/l 150 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Stone ware pipes are Highly impervious Especially suited to pressure pipes Highly resistant to sulphide corrosion Hydraulically efficient because of their smooth interior surface Highly impervious Especially suited to pressure pipes Highly resistant to sulphide corrosion Hydraulically efficient because of their smooth interior surface ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following resists hydrogen sulphide corrosion? Glazed stone wares Asbestos cement R.C.C. Glazed ware Glazed stone wares Asbestos cement R.C.C. Glazed ware ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.5 0.6 0.45 0.55 0.5 0.6 0.45 0.55 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is 2.40 m 2.30 m 2.50 m 2.45 m 2.40 m 2.30 m 2.50 m 2.45 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement sewers are All of these Not structurally strong to bear large compressive stress Light in weight Susceptible to corrosion by sulphuric acid All of these Not structurally strong to bear large compressive stress Light in weight Susceptible to corrosion by sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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