Waste Water Engineering The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope 1 in 15 1 in 20 1 in 10 1 in 5 1 in 15 1 in 20 1 in 10 1 in 5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer manholes are generally provided at The change of gradient All of these The change of direction The junctions of sewers The change of gradient All of these The change of direction The junctions of sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Oxygen Hydrogen sulphide Carbon dioxide Methane Oxygen Hydrogen sulphide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is alkaline It is neutral None of these It is acidic It is alkaline It is neutral None of these It is acidic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 4 m 4.5 m 3 m 3.5 m 4 m 4.5 m 3 m 3.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 3 minutes 5 minutes 2 minutes 1 minute 3 minutes 5 minutes 2 minutes 1 minute ANSWER DOWNLOAD EXAMIANS APP
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