Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Nitrites are formed Nitrates are formed Ammonia is formed Carbondioxide is formed Nitrites are formed Nitrates are formed Ammonia is formed Carbondioxide is formed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to Aerobic decomposition Parasitic decomposition Anaerobic decomposition None of these Aerobic decomposition Parasitic decomposition Anaerobic decomposition None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to measure Total in organic solids Total organic solids Total solids Settleable solids Total in organic solids Total organic solids Total solids Settleable solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Mean radius of sewer Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Difference in heads between two points in circular pipes Mean radius of sewer Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Difference in heads between two points in circular pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A circular sewer section is preferred to because It provides maximum hydraulic mean depth It provides maximum area for a given perimeter It is cheaper in construction All listed here It provides maximum hydraulic mean depth It provides maximum area for a given perimeter It is cheaper in construction All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is 413.5 cm/sec 213.5 cm/sec 313.5 cm/sec 500 cm/sec 413.5 cm/sec 213.5 cm/sec 313.5 cm/sec 500 cm/sec ANSWER DOWNLOAD EXAMIANS APP
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