Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 150 m to 300 m 100 m to 150 m 25 to 50 m 50 m to 100 m 150 m to 300 m 100 m to 150 m 25 to 50 m 50 m to 100 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The small sewers are cleaned by Wooden pills Cane rodding Flushing None of these Wooden pills Cane rodding Flushing None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope 1 in 20 1 in 15 1 in 5 1 in 10 1 in 20 1 in 15 1 in 5 1 in 10 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Flocculated particles do not change their Size None of these Shape Weight Size None of these Shape Weight ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to Carbonaceous demand Initial demand First stage demand All of these Carbonaceous demand Initial demand First stage demand All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The suitable cross-section of sewers to carry combined flow, is Egg shaped Rectangular Horse shoe shaped Circular Egg shaped Rectangular Horse shoe shaped Circular ANSWER DOWNLOAD EXAMIANS APP