Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 7 days 14 days 2 days 12 days 7 days 14 days 2 days 12 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer pipes Are designed for generating self-cleansing velocities at different discharge All listed here Carry sewage as gravity conduits Should resist the wear and tear caused due to abrasion Are designed for generating self-cleansing velocities at different discharge All listed here Carry sewage as gravity conduits Should resist the wear and tear caused due to abrasion ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is Q/(B × D) Q/(L × D) Q/(B × L) Q/L Q/(B × D) Q/(L × D) Q/(B × L) Q/L 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)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by Aerobic bacteria Both types of bacterias Anaerobic bacteria None of these Aerobic bacteria Both types of bacterias Anaerobic bacteria None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The dimensions of a rectangular settling tank are: length 24 m, width 6 m and depth 3 m. If 2 hour detention period for tanks is recommended, the rate of flow of sewage per hour, is 208 cu.m 204 cu.m 216 cu.m 212 cu.m 208 cu.m 204 cu.m 216 cu.m 212 cu.m ANSWER DOWNLOAD EXAMIANS APP
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