Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 5 years 3.5 years 4 years 3 years 5 years 3.5 years 4 years 3 years ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Design period of 40 to 50 years is adopted for Trunk sewers Branch sewers All listed here Main sewers Trunk sewers Branch sewers All listed here Main sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Methane Hydrogen sulphide Carbon dioxide Oxygen Methane Hydrogen sulphide Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 3 minutes 1 minute 5 minutes 2 minutes 3 minutes 1 minute 5 minutes 2 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by Both types of bacterias Anaerobic bacteria Aerobic bacteria None of these Both types of bacterias Anaerobic bacteria Aerobic bacteria None of these 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 only provided Is not enough Is doubled Is trebled Is only provided Is not enough Is doubled Is trebled ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS