Waste Water Engineering Hydraulic mean radius is Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Difference in heads between two points in circular pipes Mean radius of sewer Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Difference in heads between two points in circular pipes Mean radius of sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, The baffles or tees are extended up to top level of scum The clear space between the baffle top and covering slab is about 7.5 cm Free board of 0.3 m may be provided All listed here The baffles or tees are extended up to top level of scum The clear space between the baffle top and covering slab is about 7.5 cm Free board of 0.3 m may be provided All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage is pumped up From low lying areas All listed here From basements From flat areas From low lying areas All listed here From basements From flat areas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Manning Kutter Bazin Chezy Manning Kutter Bazin Chezy ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding None of these Potassium permanganate Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide None of these Potassium permanganate Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Manually Mechanically Electrically Hydraulically Manually Mechanically Electrically Hydraulically ANSWER DOWNLOAD EXAMIANS APP