Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding Potassium permanganate Phenol-di -sulphuric acid potassium hydroxide Sulphuric acid and napthamine None of these Potassium permanganate Phenol-di -sulphuric acid potassium hydroxide Sulphuric acid and napthamine None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 20°C 0°C 25°C 15°C 20°C 0°C 25°C 15°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is pt = 3H3p/2 Z5 pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 pt = 2H3p/3 Z5 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 The clear space between the baffle top and covering slab is about 7.5 cm Free board of 0.3 m may be provided The baffles or tees are extended up to top level of scum All listed here The clear space between the baffle top and covering slab is about 7.5 cm Free board of 0.3 m may be provided ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 4 m 3.5 m 4.5 m 3 m 4 m 3.5 m 4.5 m 3 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is Q/L Q/(B × L) Q/(L × D) Q/(B × D) Q/L Q/(B × L) Q/(L × D) Q/(B × D) ANSWER DOWNLOAD EXAMIANS APP
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