Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is None of these 1 in 60 1 in 100 1 in 120 None of these 1 in 60 1 in 100 1 in 120 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to Parasitic decomposition None of these Anaerobic decomposition Aerobic decomposition Parasitic decomposition None of these Anaerobic decomposition Aerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Lead caulked joints are used for laying Stone ware pipes Earthenware pipes I. pipes G.I. pipes Stone ware pipes Earthenware pipes I. pipes G.I. pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Phenol-di -sulphuric acid and potassium hydroxide 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge in septic tanks is recommended as 25 litres/person/year 25 litres/person/month 30 litres/person/month 30 litres/person/year 25 litres/person/year 25 litres/person/month 30 litres/person/month 30 litres/person/year ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ‘Cowl’ is provided at Upper end of the manhole Lower end of ventilating column Upper end of ventilating column First step in manhole Upper end of the manhole Lower end of ventilating column Upper end of ventilating column First step in manhole ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS