Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to Carbonaceous demand First stage demand All of these Initial demand Carbonaceous demand First stage demand All of these Initial demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a grit chamber of a sewage treatment plant, 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In olden days the type of section adopted in trunk and out fall sewers was Circular shaped Egg shaped Horse shoe shaped Parabolic shaped Circular shaped Egg shaped Horse shoe shaped Parabolic shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Chlorination of water is done for the removal of Bacterias Sediments Hardness Suspended solids Bacterias Sediments Hardness Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient, Is doubled Is not enough Is only provided Is trebled Is doubled Is not enough Is only provided Is trebled ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The disintegrating pump in which solid matter is broken up before passing out, is Pneumatic ejector None of these Centrifugal pump Reciprocating pump Pneumatic ejector None of these Centrifugal pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP