The air is measured at 48 deg. C and 511mm Hg. The duct diameter is 553 mm while the discharge diameter is 315mm The fan draws 4 m^3/s air and the static pressure measured is 3 cm water Determine the total head in terms of water.

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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.