Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 15°C 20°C 25°C 0°C 15°C 20°C 25°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The algae dies out in the zone of Cleaner water Degradation Active decomposition Recovery Cleaner water Degradation Active decomposition Recovery ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following gases is most significant as air pollutant? Sulphur-dioxide Oxygen Nitrogen Carbondioxide Sulphur-dioxide Oxygen Nitrogen Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which resists sulphide corrosion, is R.C. sewer Lead sewer Cast iron sewer Brick sewer R.C. sewer Lead sewer Cast iron sewer Brick sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, The clear space between the baffle top and covering slab is about 7.5 cm All listed here The baffles or tees are extended up to top level of scum Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm All listed here The baffles or tees are extended up to top level of scum Free board of 0.3 m may be provided ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering With self cleansing velocity in sewers Neither silting nor scouring occurs at bottom Scouring occurs at bottom Silting occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom Scouring occurs at bottom Silting occurs at bottom Both silting and scouring occur at bottom ANSWER DOWNLOAD EXAMIANS APP
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