Waste Water Engineering The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is d (0.285d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.022d + 0.085H)/Q d (0.785d + 0.011H)/Q d (0.285d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.022d + 0.085H)/Q d (0.785d + 0.011H)/Q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is 0.15 cumec 0.10 cumec 0.20 cumec 0.12 cumec 0.15 cumec 0.10 cumec 0.20 cumec 0.12 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of Nitrates Carbon dioxide All of these Sulphates Nitrates Carbon dioxide All of these Sulphates ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The underground sewers are more subjected to Tensile force Bending force Compressive force Shearing force Tensile force Bending force Compressive force Shearing force ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Cleaner water Degradation Recovery Active decomposition Cleaner water Degradation Recovery Active decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced Near the outer surface of the pipe Both A and B Near the inner surface of the pipe With elliptical cage Near the outer surface of the pipe Both A and B Near the inner surface of the pipe With elliptical cage ANSWER DOWNLOAD EXAMIANS APP
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