Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.74 D D’ = 0.84 D D’ = 0.64 D D’ = 0.94 D D’ = 0.74 D D’ = 0.84 D D’ = 0.64 D D’ = 0.94 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage is generally A source of objectionable odour Alkaline Acidic Highly decomposed A source of objectionable odour Alkaline Acidic Highly decomposed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 70 to 75% 0.85 65 to 70% 75 to 80% 70 to 75% 0.85 65 to 70% 75 to 80% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 25°C 15°C 20°C 0°C 25°C 15°C 20°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering depends upon The Chezy’s constant C in the formula V = C Shape of the sewer Roughness of sewer surface All listed here Size of the sewer Shape of the sewer Roughness of sewer surface All listed here Size of the sewer ANSWER DOWNLOAD EXAMIANS APP
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