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Consider a tank of 4cm in diameter and 50cm height. The tank is filled with pure water initially. Water is being evaporated by diffusion into

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Consider a tank of 4cm in diameter and 50cm height. The tank is filled with pure water initially. Water is being evaporated by diffusion into the air. The concentration of water 5cm above the water surface may be assumed to be " 0 ". The diffusivity of water into the air is 107 cm2/sec. The density of water is 1000kg/m3. How long will take to reduce the water level by 1 cm ? [10 Marks] [CO04]

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