Waste Water Engineering The normal value of over flow rates for plain primary sedimentation tanks, ranges between 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at Half full Full depth Two third full Three fourth full Half full Full depth Two third full Three fourth full ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of Nitrates Sulphates All of these Carbon dioxide Nitrates Sulphates All of these Carbon dioxide 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 50 cm 40 cm 20 cm 25 cm 50 cm 40 cm 20 cm 25 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 8 to 16 hours 4 to 8 hours 24 to 36 hours 16 to 24 hours 8 to 16 hours 4 to 8 hours 24 to 36 hours 16 to 24 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of H₂SO₄ HCl None of these HNO₃ H₂SO₄ HCl None of these HNO₃ ANSWER DOWNLOAD EXAMIANS APP
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