Waste Water Engineering If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is 90 cm 50 cm 100 cm 80 cm 90 cm 50 cm 100 cm 80 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a grit chamber of a sewage treatment plant, All of these Flow velocity 0.15 m to 0.3 m/sec is kept Depth of 0.9 m to 1.20 m is kept One minute of detention period is kept All of these Flow velocity 0.15 m to 0.3 m/sec is kept Depth of 0.9 m to 1.20 m is kept One minute of detention period is kept ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 4 to 8 hours 16 to 24 hours 24 to 36 hours 8 to 16 hours 4 to 8 hours 16 to 24 hours 24 to 36 hours 8 to 16 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Both A and B Biological action is used Neither A nor B Filtration process is used Both A and B Biological action is used Neither A nor B Filtration process is used ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Methane Carbondioxide Carbon monoxide Ammonia Methane Carbondioxide Carbon monoxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Phenol-di-sulphuric acid Adding sulphuric acid Adding potassium permanganate Boiling Phenol-di-sulphuric acid Adding sulphuric acid Adding potassium permanganate Boiling ANSWER DOWNLOAD EXAMIANS APP
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