Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Methane Oxygen Hydrogen sulphide Carbon dioxide Methane Oxygen Hydrogen sulphide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering depends upon The Chezy’s constant C in the formula V = C Size of the sewer Roughness of sewer surface Shape of the sewer All listed here Size of the sewer Roughness of sewer surface Shape of the sewer All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The factor responsible for purification of sewage in river is Temperature All listed here Dissolved oxygen in water Hydrology Temperature All listed here Dissolved oxygen in water Hydrology ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is neutral It is acidic It is alkaline None of these It is neutral It is acidic It is alkaline None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Difference in heads between two points in circular pipes Mean radius of sewer Cross-sectional area/wetted perimeter Mean of radii in a pipe line of varying cross -sections Difference in heads between two points in circular pipes Mean radius of sewer Cross-sectional area/wetted perimeter Mean of radii in a pipe line of varying cross -sections ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Potassium permanganate Sulphuric acid and napthamine None of these Phenol-di -sulphuric acid and potassium hydroxide Potassium permanganate Sulphuric acid and napthamine None of these Phenol-di -sulphuric acid and potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
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