Waste Water Engineering The maximum diameter of sewers adopted in the designs is 4.0 m 3.0 m 2.0 m 1.0 m 4.0 m 3.0 m 2.0 m 1.0 m 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 100 1 in 120 1 in 60 None of these 1 in 100 1 in 120 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Facultative bacteria survive in The absence of oxygen Neither A nor B Both cases A and B The presence of oxygen The absence of oxygen Neither A nor B Both cases A and B The presence of oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 150 ppm 200 ppm 50 ppm 100 ppm 150 ppm 200 ppm 50 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering At the junction of sewers Tops of both the sewers are at the same level Top of larger sewer is kept lower None of these Top of smaller sewer is kept lower Tops of both the sewers are at the same level Top of larger sewer is kept lower None of these Top of smaller sewer is kept lower ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Stone ware pipes are Especially suited to pressure pipes Highly impervious Hydraulically efficient because of their smooth interior surface Highly resistant to sulphide corrosion Especially suited to pressure pipes Highly impervious Hydraulically efficient because of their smooth interior surface Highly resistant to sulphide corrosion ANSWER DOWNLOAD EXAMIANS APP
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