Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding potassium permanganate Boiling Adding sulphuric acid Phenol-di-sulphuric acid Adding potassium permanganate Boiling Adding sulphuric acid Phenol-di-sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 3 minutes 5 minutes 1 minute 2 minutes 3 minutes 5 minutes 1 minute 2 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.64 D D’ = 0.74 D D’ = 0.94 D D’ = 0.84 D D’ = 0.64 D D’ = 0.74 D D’ = 0.94 D D’ = 0.84 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gradient of sewers depends upon Discharge All listed here Diameter of the sewer Velocity of flow Discharge All listed here Diameter of the sewer Velocity of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine Suspended solids None of these Dissolved solids Settleable solids Suspended solids None of these Dissolved solids Settleable solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes need be checked for Both A and B None of these Maximum flow Minimum flow Both A and B None of these Maximum flow Minimum flow ANSWER DOWNLOAD EXAMIANS APP