Which type of pump is used while handling the sludge disposal system?

In a centrifugal pump, the flow is ___ when the viscosity is increased.

Which type of impeller is usually preferred when handling liquids with solids?

The most expensive part is the energy supply for pumps.

What are the manholes having a depth greater than 1.5 m called?

Lamp hole is an opening or hole constructed in a sewer for purpose of lowering a lamp inside it.

In an activated sludge process which type of pump is used to recirculate the sludge?

Which type of pump is used when the effluent should be pumped back into the plant for use as service water?