Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Phenol-di -sulphuric acid and potassium hydroxide Potassium permanganate Sulphuric acid and napthamine None of these Phenol-di -sulphuric acid and potassium hydroxide Potassium permanganate Sulphuric acid and napthamine None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.65 2.25 2.5 2.55 2.65 2.25 2.5 2.55 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 Manning’s formula Kutter’s formula Bazin’s formula Chezy’s formula Manning’s formula Kutter’s formula Bazin’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hume steel pipes are Steel pipes Both B and C Steel shell coated from inside with cement mortar Steel shell coated from outside with cement mortar Steel pipes Both B and C Steel shell coated from inside with cement mortar Steel shell coated from outside with cement mortar ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 50 mg/l 250 mg/l 150 mg/l 100 mg/l 50 mg/l 250 mg/l 150 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The water carried sewerage system removes Storm sewage Domestic sewage Industrial sewage All listed here Storm sewage Domestic sewage Industrial sewage All listed here ANSWER DOWNLOAD EXAMIANS APP
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