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 The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Proper tests for the presence of poisonous gases must be carried out Warning signals should be erected The men entering the manhole should be advised to smoke in the sewer The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Proper tests for the presence of poisonous gases must be carried out ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is 1.75 D 1.5 D 1.25 D 1.15 D 1.75 D 1.5 D 1.25 D 1.15 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 30 days 20 days 10 days 60 days 30 days 20 days 10 days 60 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Improved version of grit chambers Tanks provided with self- cleansing screens Used to remove the grease and oil Those from which sludge is skimmed out Improved version of grit chambers Tanks provided with self- cleansing screens Used to remove the grease and oil Those from which sludge is skimmed out ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The discharge per unit plan area of a sedimentation tank, is generally called All of these Over flow velocity Over flow rate Surface loading All of these Over flow velocity Over flow rate Surface loading ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.25 2.5 2.55 2.65 2.25 2.5 2.55 2.65 ANSWER DOWNLOAD EXAMIANS APP
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