Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Methane Carbon dioxide Oxygen Hydrogen sulphide Methane Carbon dioxide Oxygen Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 15 days 60 days 90 days 30 days 15 days 60 days 90 days 30 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.25 0.1 0.05 0.5 0.25 0.1 0.05 0.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for Under estimates of maximum and average flows All of these Unexpected increase in the population Unexpected large scale infiltration of stream water Under estimates of maximum and average flows All of these Unexpected increase in the population Unexpected large scale infiltration of stream water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known Lateral sewer Branch sewer Sewer outfall House sewer Lateral sewer Branch sewer Sewer outfall House sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Disposal to sewage in large cities, is done in Purification Dilution Oxidation Irrigation Purification Dilution Oxidation Irrigation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS