Waste Water Engineering Aerobic bacterias Consume organic matter as their food Flourish in the presence of free oxygen Oxidise organic matter in sewage All of these Consume organic matter as their food Flourish in the presence of free oxygen Oxidise organic matter in sewage All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Improved version of grit chambers Used to remove the grease and oil Those from which sludge is skimmed out Tanks provided with self- cleansing screens Improved version of grit chambers Used to remove the grease and oil Those from which sludge is skimmed out Tanks provided with self- cleansing screens ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept 0.25 10 2 5 0.25 10 2 5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering With self cleansing velocity in sewers Scouring occurs at bottom Silting occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom Scouring occurs at bottom Silting occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine Dissolved solids Suspended solids None of these Settleable solids Dissolved solids Suspended solids None of these Settleable solids ANSWER DOWNLOAD EXAMIANS APP
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