Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Two sewer lines intersect Ordinary manhole cannot be built Sewer line runs along a main road Invert level of a branch sewer is more than 60 cm that of the main sewer Two sewer lines intersect Ordinary manhole cannot be built Sewer line runs along a main road Invert level of a branch sewer is more than 60 cm that of the main sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The flow velocity in detritus tanks is 1.25 m/sec 0.09 m/sec 0.05 m/sec None of these 1.25 m/sec 0.09 m/sec 0.05 m/sec None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Chezy’s formula Bazin’s formula Kutter’s formula Manning’s formula Chezy’s formula Bazin’s formula Kutter’s formula Manning’s formula 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/(B × D) Q/(B × L) Q/(L × D) Q/L Q/(B × D) Q/(B × L) Q/(L × D) Q/L ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 15 litres 10 litres 20 litres 25 litres 15 litres 10 litres 20 litres 25 litres ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering At the junction of sewers Top of smaller sewer is kept lower Top of larger sewer is kept lower Tops of both the sewers are at the same level None of these Top of smaller sewer is kept lower Top of larger sewer is kept lower Tops of both the sewers are at the same level None of these ANSWER DOWNLOAD EXAMIANS APP