Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers Warning signals should be erected 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 The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected 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 The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The non-clog pump which permits solid matter to pass out with the liquid sewage, is None of these Reciprocating pump Centrifugal pump Pneumatic ejector None of these Reciprocating pump Centrifugal pump Pneumatic ejector ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula V = (1/n) r2/3 Kutter’s formula Bazin’s formula Manning’s formula Chezy’s formula Kutter’s formula Bazin’s formula Manning’s formula Chezy’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is 1 in 100 upward 1 in 100 downward 1 in 500 upward 1 in 503 upward 1 in 100 upward 1 in 100 downward 1 in 500 upward 1 in 503 upward ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Facultative bacteria survive in The absence of oxygen Both cases A and B The presence of oxygen Neither A nor B The absence of oxygen Both cases A and B The presence of oxygen Neither A nor B 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
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