Waste Water Engineering The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope 1 in 5 1 in 15 1 in 10 1 in 20 1 in 5 1 in 15 1 in 10 1 in 20 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 60 to 80% 80 to 90% 30 to 40% 40 to 60% 60 to 80% 80 to 90% 30 to 40% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is Slightly less than 5% of the design discharge None of these Slightly more than 5% of the design discharge 20% of the design discharge Slightly less than 5% of the design discharge None of these Slightly more than 5% of the design discharge 20% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding potassium permanganate Adding sulphuric acid Boiling Phenol-di-sulphuric acid Adding potassium permanganate Adding sulphuric acid Boiling Phenol-di-sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering pH value of sludge during alkaline regression stage, is More than 7 Less than 6 More than 6 Less than 7 More than 7 Less than 6 More than 6 Less than 7 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum recommended diameter of sewers, is 5 cm 20 cm 15 cm 10 cm 5 cm 20 cm 15 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS