(a) Which component of the horizontal axis wind turbine can be considered as the brain of the system? Write the important functions of this component. Explain how it coordinates with the anemometer, wind vane and yaw drive for the proper working of turbine. (b) Explain, why wind energy is considered as highly desirable and economical to the rural areas which are far from existing grids.

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.