Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by Anaerobic bacteria None of these Both types of bacterias Aerobic bacteria Anaerobic bacteria None of these Both types of bacterias Aerobic bacteria ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine Dissolved solids None of these Suspended solids Settleable solids Dissolved solids None of these Suspended solids Settleable solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Facultative bacteria survive in The presence of oxygen The absence of oxygen Neither A nor B Both cases A and B The presence of oxygen The absence of oxygen Neither A nor B Both cases A and B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Methane Carbon dioxide Hydrogen sulphide Oxygen Methane Carbon dioxide Hydrogen sulphide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is 1 in 100 1 in 60 None of these 1 in 120 1 in 100 1 in 60 None of these 1 in 120 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be 0.9 cm 1.2 m 1.5 m > 1.5 m 0.9 cm 1.2 m 1.5 m > 1.5 m ANSWER DOWNLOAD EXAMIANS APP
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