Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 24 to 36 hours 4 to 8 hours 8 to 16 hours 16 to 24 hours 24 to 36 hours 4 to 8 hours 8 to 16 hours 16 to 24 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum recommended diameter of sewers, is 15 cm 10 cm 20 cm 5 cm 15 cm 10 cm 20 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by Both types of bacterias Aerobic bacteria Anaerobic bacteria None of these Both types of bacterias Aerobic bacteria Anaerobic bacteria None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 25 cm 20 cm 50 cm 40 cm 25 cm 20 cm 50 cm 40 cm ANSWER DOWNLOAD EXAMIANS APP
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