Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is Slightly less than 5% of the design discharge None of these 20% of the design discharge Slightly more than 5% of the design discharge Slightly less than 5% of the design discharge None of these 20% of the design discharge Slightly more than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In Chezy’s formula V = C rs for calculating the velocity of flow in circular sewer of diameter running full, the value of hydraulic mean radius is D/3 D/1 D/2 D/4 D/3 D/1 D/2 D/4 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Are available in size Stoneware sewers 15 cm 20 cm All of these 10 cm 15 cm 20 cm All of these 10 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 50 cm 40 cm 20 cm 25 cm 50 cm 40 cm 20 cm 25 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at Every change in the size of sewers Upper ends of branch sewers All listed here Distances 150 m to 300 m Every change in the size of sewers Upper ends of branch sewers All listed here Distances 150 m to 300 m ANSWER DOWNLOAD EXAMIANS APP