Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Invert level of a branch sewer is more than 60 cm that of the main sewer Ordinary manhole cannot be built Two sewer lines intersect Sewer line runs along a main road Invert level of a branch sewer is more than 60 cm that of the main sewer Ordinary manhole cannot be built Two sewer lines intersect Sewer line runs along a main road ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is None of these 1 in 100 1 in 120 1 in 60 None of these 1 in 100 1 in 120 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The non-clog pump which permits solid matter to pass out with the liquid sewage, is Pneumatic ejector Centrifugal pump None of these Reciprocating pump Pneumatic ejector Centrifugal pump None of these Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for secondary sedimentation tanks, ranges between 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The effluent of a septic tank is Fit for discharge into any open drain Foul and contains dissolved and suspended solids None of these As good as that from a complete treatment Fit for discharge into any open drain Foul and contains dissolved and suspended solids None of these As good as that from a complete treatment ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed Perpendicular to the direction of flow At an angle 30° to 60° to the direction of flow None of these Parallel to the direction of flow Perpendicular to the direction of flow At an angle 30° to 60° to the direction of flow None of these Parallel to the direction of flow ANSWER DOWNLOAD EXAMIANS APP
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