Waste Water Engineering Hazen’s formula VS = 418 (GS – Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter Greater than 0.1 mm Less than 0.05 mm Less than 0.1 mm Less than 0.01 mm Greater than 0.1 mm Less than 0.05 mm Less than 0.1 mm Less than 0.01 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias Oxidise organic matter in sewage Flourish in the presence of free oxygen Consume organic matter as their food All of these Oxidise organic matter in sewage Flourish in the presence of free oxygen Consume organic matter as their food All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a grit chamber of a sewage treatment plant, One minute of detention period is kept Flow velocity 0.15 m to 0.3 m/sec is kept All of these Depth of 0.9 m to 1.20 m is kept One minute of detention period is kept Flow velocity 0.15 m to 0.3 m/sec is kept All of these Depth of 0.9 m to 1.20 m is kept ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to None of these Anaerobic decomposition Parasitic decomposition Aerobic decomposition None of these Anaerobic decomposition Parasitic decomposition Aerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 15 cm c/c 30 cm c/c 50 cm c/c 22.5 cm c/c 15 cm c/c 30 cm c/c 50 cm c/c 22.5 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 3 2.5 1.5 2 3 2.5 1.5 2 ANSWER DOWNLOAD EXAMIANS APP
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