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 Carbon dioxide Oxygen Methane Hydrogen sulphide Carbon dioxide Oxygen Methane Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Ferric sulphate Chlorinated coppers Ferric chloride Alum Ferric sulphate Chlorinated coppers Ferric chloride Alum ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of sewage is determined with the help of None of these Turbid meter Potentiometer Imhoff Cone None of these Turbid meter Potentiometer Imhoff Cone ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Mean of radii in a pipe line of varying cross -sections Mean radius of sewer Difference in heads between two points in circular pipes Cross-sectional area/wetted perimeter Mean of radii in a pipe line of varying cross -sections Mean radius of sewer Difference in heads between two points in circular pipes Cross-sectional area/wetted perimeter ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of sewer to be adopted is 10 cm 25 cm 15 cm 12.5 cm 10 cm 25 cm 15 cm 12.5 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Self-cleansing velocity is Velocity at dry weather flow Velocity of water at flushing Velocity at which no accumulation remains in the drains Velocity of water in a pressure filter Velocity at dry weather flow Velocity of water at flushing Velocity at which no accumulation remains in the drains Velocity of water in a pressure filter ANSWER DOWNLOAD EXAMIANS APP
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