Calculate the evaporation rate from an open water source, if the net radiation is 300 W/m and the air temperature is 30° C. Assume value of zero for sensible heat, ground heat flux heat stored in water body and advected energy. The density of water at 30° C=996 kg/m² [Hint: Calculate latent heat of vapourisation L by the formula: L = 2501 – 2.37 T (kJ/kg), where T=temperature in °C.]

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Finishing Operations

Finishing operations are the processes that are applied to the workpiece at the end of a manufacturing process, and after completing all other relevant operations that bring the product to its required dimensions. Finishing operations involve polishing, reducing the surface roughness, eliminating wrinkling, and grinding to enhance the surface texture and provide a better surface finish to the workpiece surface.