Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Hydrogen sulphide Carbon dioxide Oxygen Methane Hydrogen sulphide Carbon dioxide Oxygen Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 30 cm c/c 50 cm c/c 15 cm c/c 22.5 cm c/c 30 cm c/c 50 cm c/c 15 cm c/c 22.5 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for None of these The flow of sewage to fill the tank A particle to travel from top surface to bottom sludge zone A particle to travel along its length None of these The flow of sewage to fill the tank A particle to travel from top surface to bottom sludge zone A particle to travel along its length ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Hydraulically Electrically Manually Mechanically Hydraulically Electrically Manually Mechanically 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 = [(5 + )/((15 + )] q Q = [(18 + P)/(4 + )] q Q = [(18 + )/(4 + )] q Q = [(4 + )/(18 + )] q Q = [(5 + )/((15 + )] q Q = [(18 + P)/(4 + )] q Q = [(18 + )/(4 + )] q Q = [(4 + )/(18 + )] q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The disintegrating pump in which solid matter is broken up before passing out, is Centrifugal pump Reciprocating pump Pneumatic ejector None of these Centrifugal pump Reciprocating pump Pneumatic ejector None of these ANSWER DOWNLOAD EXAMIANS APP