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)d² [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For evaporation and measurement of settable solids, the apparatus used, is A jar An Imhoff cone A test tube A breaker A jar An Imhoff cone A test tube A breaker ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to measure Total solids Total organic solids Total in organic solids Settleable solids Total solids Total organic solids Total in organic solids Settleable solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit and silt of the grit chambers, may not be used for Raising low lying areas by dumping Neither A nor B Both A and B Concreting Raising low lying areas by dumping Neither A nor B Both A and B Concreting ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The temperature affects the Biological activity of bacteria in sewage Solubility of gases in sewage Viscosity of sewage All of these Biological activity of bacteria in sewage Solubility of gases in sewage Viscosity of sewage All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen ANSWER DOWNLOAD EXAMIANS APP