Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 25°C 0°C 15°C 20°C 25°C 0°C 15°C 20°C 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 Unexpected large scale infiltration of stream water Unexpected increase in the population All of these Under estimates of maximum and average flows Unexpected large scale infiltration of stream water Unexpected increase in the population All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a rectangular sewer is twice its depth while discharging 1.5 m/sec. The width of the sewer is 0.68 m 1.36 m 1.76 m 0.88 m 0.68 m 1.36 m 1.76 m 0.88 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to None of these Aerobic decomposition Parasitic decomposition Anaerobic decomposition None of these Aerobic decomposition Parasitic decomposition Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, Neither silting nor scouring occurs at the bottom The bottom is scoured Both silting and scouring occur at the bottom The bottom is silted Neither silting nor scouring occurs at the bottom The bottom is scoured Both silting and scouring occur at the bottom The bottom is silted ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The porosity of sediments in sewer pipes, is usually taken as 0.01 0.012 0.011 0.013 0.01 0.012 0.011 0.013 ANSWER DOWNLOAD EXAMIANS APP
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