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

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

In order to reduce the operation and maintenance which of the following characteristics of a pump should be considered?

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?

What is the arrangement for diverting excess sewage from the combined sewer called?

What is the facility provided to stop the entry of heavy debris present in the storm water into the sewers called?

Which type of pump should be used in order to handle low viscosity fluids?