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 In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is Q/L Q/(L × D) Q/(B × L) Q/(B × D) Q/L Q/(L × D) Q/(B × L) Q/(B × D) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For drainage pipes in buildings the test applied before putting them to use, is All listed here Smoke test Straightness test Water test All listed here Smoke test Straightness test Water test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If q is the average sewage flow from a city of population P, the maximum sewage flow Q = [(4 + )/(18 + )] q Q = [(18 + )/(4 + )] q Q = [(18 + P)/(4 + )] q Q = [(5 + )/((15 + )] q Q = [(4 + )/(18 + )] q Q = [(18 + )/(4 + )] q Q = [(18 + P)/(4 + )] q Q = [(5 + )/((15 + )] q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A circular sewer section is preferred to because It is cheaper in construction It provides maximum hydraulic mean depth It provides maximum area for a given perimeter All listed here It is cheaper in construction It provides maximum hydraulic mean depth It provides maximum area for a given perimeter All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 30 days 10 days 60 days 20 days 30 days 10 days 60 days 20 days ANSWER DOWNLOAD EXAMIANS APP