Waste Water Engineering In case of Imhoff tanks, All of these The velocity of flow is restricted to 0.30 m/minute Detention period is 2 hours The shape is rectangular All of these The velocity of flow is restricted to 0.30 m/minute Detention period is 2 hours The shape is rectangular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Manning Kutter Chezy Bazin Manning Kutter Chezy Bazin ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A nuisance is experienced in diluting water if dilution factor is less than 20 60 100 40 20 60 100 40 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is Slightly less than 5% of the design discharge 20% of the design discharge None of these Slightly more than 5% of the design discharge Slightly less than 5% of the design discharge 20% of the design discharge None of these Slightly more than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 16 to 24 hours 8 to 16 hours 4 to 8 hours 24 to 36 hours 16 to 24 hours 8 to 16 hours 4 to 8 hours 24 to 36 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers Warning signals should be erected The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes The men entering the manhole should be advised to smoke in the sewer Proper tests for the presence of poisonous gases must be carried out Warning signals should be erected The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes The men entering the manhole should be advised to smoke in the sewer Proper tests for the presence of poisonous gases must be carried out ANSWER DOWNLOAD EXAMIANS APP