Waste Water Engineering The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning’s formula, is given by Bazin Crimp and Bruges Kutter William-Hazen Bazin Crimp and Bruges Kutter William-Hazen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Twice the average demand Average demand Thrice the average demand Four times the average demand Twice the average demand Average demand Thrice the average demand Four times the average demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Ventilating shafts are provided to a sewer line at every 100 m 300 m 200 m 150 m 100 m 300 m 200 m 150 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Degradation Cleaner water Active decomposition Recovery Degradation Cleaner water Active decomposition Recovery ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is 2 hours 1 hour and 30 minutes 30 minutes 1 hour 2 hours 1 hour and 30 minutes 30 minutes 1 hour ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Hydrogen sulphide Oxygen Methane Carbon dioxide Hydrogen sulphide Oxygen Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP