Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.60 m/sec 0.75 m/sec 0.50 m/sec 0.70 m/sec 0.60 m/sec 0.75 m/sec 0.50 m/sec 0.70 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced Both A and B Near the outer surface of the pipe With elliptical cage Near the inner surface of the pipe Both A and B Near the outer surface of the pipe With elliptical cage Near the inner surface of the pipe ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is CO₂ SO₂ CO₂ O₂ CO₂ SO₂ CO₂ O₂ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer that unloads the sewage at the point of treatment is called Outfall sewer Branch sewer House sewer Main sewer Outfall sewer Branch sewer House sewer Main sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, The shape is rectangular Detention period is 2 hours All of these The velocity of flow is restricted to 0.30 m/minute The shape is rectangular Detention period is 2 hours All of these The velocity of flow is restricted to 0.30 m/minute ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to Carbonaceous demand All of these First stage demand Initial demand Carbonaceous demand All of these First stage demand Initial demand ANSWER DOWNLOAD EXAMIANS APP
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