Waste Water Engineering The laying of sewers is done with Magnetic compass Clinometer Level Theodolite Magnetic compass Clinometer Level Theodolite ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.50 m/sec 0.75 m/sec 0.70 m/sec 0.60 m/sec 0.50 m/sec 0.75 m/sec 0.70 m/sec 0.60 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Design period of 40 to 50 years is adopted for Main sewers Branch sewers All listed here Trunk sewers Main sewers Branch sewers All listed here Trunk sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering As compared to fresh river water, sea water contains oxygen 10% more 20% less 10% less 20% more 10% more 20% less 10% less 20% more ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Difference in heads between two points in circular pipes Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Mean radius of sewer Difference in heads between two points in circular pipes Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Mean radius of sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 400 mg/l 100 mg/l 200 mg/l 300 mg/l 400 mg/l 100 mg/l 200 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP
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