This article (Part-2) gives important basic concepts in Fluid mechanics and fluid machines used in mechanical systems. This subject is very much important for GATE exam because future M. Tech or M. E specialization are based on the basics of this subject.

- Neglecting the forces due to inertia, gravity and frictional resistance, the design of a channel can be made by comparing Froude’s number.
_{r}^{1/4}.^{2}/m^{4}.- A Kaplan turbine is low head axial flow turbine.