Waste Water Engineering For the COD test of sewage, organic matter is oxidised by K₂Cr₂O₇ in the presence of None of these HNO₃ HCl H₂SO₄ None of these HNO₃ HCl H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement pipes are generally laid At an angle of 30° At an angle of 60° Horizontally Vertically At an angle of 30° At an angle of 60° Horizontally Vertically ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hume steel pipes are Steel pipes Steel shell coated from outside with cement mortar Steel shell coated from inside with cement mortar Both B and C Steel pipes Steel shell coated from outside with cement mortar Steel shell coated from inside with cement mortar Both B and C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Chezy’s formula Kutter’s formula Manning’s formula Bazin’s formula Chezy’s formula Kutter’s formula Manning’s formula Bazin’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 10 1 in 400 1 in 80 1 in 60 1 in 10 1 in 400 1 in 80 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.55 0.5 0.6 0.45 0.55 0.5 0.6 0.45 ANSWER DOWNLOAD EXAMIANS APP
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