Waste Water Engineering The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Water content of sewage is about 0.999 0.99 0.9 0.95 0.999 0.99 0.9 0.95 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Electrically Hydraulically Mechanically Manually Electrically Hydraulically Mechanically Manually ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, The baffles or tees are extended up to top level of scum All listed here Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm The baffles or tees are extended up to top level of scum All listed here Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding None of these Sulphuric acid and napthamine Potassium permanganate Phenol-di -sulphuric acid and potassium hydroxide None of these Sulphuric acid and napthamine Potassium permanganate Phenol-di -sulphuric acid and potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas evolved in sewers is All of these Carbondioxide Methane Hydrogen sulphide All of these Carbondioxide Methane Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
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