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  3. 3 a drier is to be designed to reduce the...

Question: 3 a drier is to be designed to reduce the...

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(3) A drier is to be designed to reduce the water content of a certain material from 55 per cent to 10 per cent. Air at 29°C dry bulb temperature and with a humidity ratio of 0.005 kg/kg is heated to 50°C in a reheater before entering the drier. The air leaves the drier at 38 C with 70 per cent relative humidity On the basis of 1000 kg of product per hour, calculate (a) the volume flow rate of air entering the reheater, and (b) the heat supplied in the reheater
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