The projection of the piers on the upstream side is known as ____

_____ pumps give a larger discharge.

Which of the following is also known as V notch?

The shear stress is ________ at the axis of the shaft.

_______ is the velocity with which water reaches the notch or before it flows over it.

Skimming float is ________

Which of the following blasters contains pulverized alum?

Torsion is denoted by ______

______ catchment area is a sum of free catchment area and intercepted catchment area.