Waste Water Engineering The presence of free ammonia in sewage, is detected by Boiling Phenol-di-sulphuric acid Adding potassium permanganate Adding sulphuric acid Boiling Phenol-di-sulphuric acid Adding potassium permanganate Adding sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.5 0.45 0.6 0.55 0.5 0.45 0.6 0.55 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at Distances 150 m to 300 m All listed here Upper ends of branch sewers Every change in the size of sewers Distances 150 m to 300 m All listed here Upper ends of branch sewers Every change in the size of sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The algae dies out in the zone of Active decomposition Degradation Recovery Cleaner water Active decomposition Degradation Recovery Cleaner water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is 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 Mean of radii in a pipe line of varying cross -sections Mean radius of sewer Difference in heads between two points in circular pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For providing an Indian type W.C., the R.C.C. slabs in the toilet portion Should be sunk by 50 cm Need not be sunk Should be kept 20 cm above the adjacent portion Should be sunk by 20 cm Should be sunk by 50 cm Need not be sunk Should be kept 20 cm above the adjacent portion Should be sunk by 20 cm ANSWER DOWNLOAD EXAMIANS APP
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