Waste Water Engineering Lead caulked joints are used for laying Stone ware pipes G.I. pipes I. pipes Earthenware pipes Stone ware pipes G.I. pipes I. pipes Earthenware pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering depends upon The Chezy’s constant C in the formula V = C Roughness of sewer surface All listed here Shape of the sewer Size of the sewer Roughness of sewer surface All listed here Shape of the sewer Size of the sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed At an angle 30° to 60° to the direction of flow Parallel to the direction of flow Perpendicular to the direction of flow None of these At an angle 30° to 60° to the direction of flow Parallel to the direction of flow Perpendicular to the direction of flow None of these 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 = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Aeration is continued till stability Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge Sludge is activated by constant stirring Aeration is continued till stability Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge Sludge is activated by constant stirring ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 14 days 7 days 2 days 12 days 14 days 7 days 2 days 12 days ANSWER DOWNLOAD EXAMIANS APP
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