Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is 1 in 100 None of these 1 in 120 1 in 60 1 in 100 None of these 1 in 120 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains Neither A. nor B. Both A. and B. Lined with stones With beds of rocks and gravels Neither A. nor B. Both A. and B. Lined with stones With beds of rocks and gravels 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 increase in the population All of these Unexpected large scale infiltration of stream water Under estimates of maximum and average flows Unexpected increase in the population All of these Unexpected large scale infiltration of stream water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Active decomposition Degradation Cleaner water Recovery Active decomposition Degradation Cleaner water Recovery ANSWER DOWNLOAD EXAMIANS APP
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 (0.785d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.022d + 0.085H)/Q d (0.285d + 0.011H)/Q d (0.785d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.022d + 0.085H)/Q d (0.285d + 0.011H)/Q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewerage system originates from Main sewers Lateral sewers House sewers Branch sewers Main sewers Lateral sewers House sewers Branch sewers ANSWER DOWNLOAD EXAMIANS APP
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