Waste Water Engineering Dilution method of disposing of sewage, is not preferred to When sewage is fresh When the diluting water is having flow currents When diluting water has high dissolved oxygen content When diluting water is used for water supply near the point of sewage disposed When sewage is fresh When the diluting water is having flow currents When diluting water has high dissolved oxygen content When diluting water is used for water supply near the point of sewage disposed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to First stage demand Initial demand Carbonaceous demand All of these First stage demand Initial demand Carbonaceous demand All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 20 cm 25 cm 40 cm 50 cm 20 cm 25 cm 40 cm 50 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 5 m 6.5 m 7 m 5.5 m 5 m 6.5 m 7 m 5.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Design period of 40 to 50 years is adopted for Main sewers All listed here Branch sewers Trunk sewers Main sewers All listed here Branch sewers Trunk sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The algae dies out in the zone of Cleaner water Active decomposition Degradation Recovery Cleaner water Active decomposition Degradation Recovery ANSWER DOWNLOAD EXAMIANS APP
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