Waste Water Engineering The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope 1 in 20 1 in 10 1 in 15 1 in 5 1 in 20 1 in 10 1 in 15 1 in 5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sludge banks are formed if sewage is disposed of in None of these Rivers Seas Lakes None of these Rivers Seas Lakes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A drop manhole is provided if A lamp is inserted to check obstruction A sewer drops from a height A branch sewer joins the main sewer at higher level None of these A lamp is inserted to check obstruction A sewer drops from a height A branch sewer joins the main sewer at higher level None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A well oxidized sewage contains nitrogen mainly as Nitrates None of these Free ammonia Nitrites Nitrates None of these Free ammonia Nitrites ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 15 days 60 days 30 days 90 days 15 days 60 days 30 days 90 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to Initial demand First stage demand Carbonaceous demand All of these Initial demand First stage demand Carbonaceous demand All of these ANSWER DOWNLOAD EXAMIANS APP