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24-05-2023
Engineering

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An oil cooler for lubrication system has to cool 1000 kg/hr of oil (cp=2.09 kJ/kg °C) from 80 °C to 40°C by using a cooling water flow of 1000 kg/hr at 30 °C. Give your choice for a parallel flow or counter flow heat exchanger, with reasons. calculate the surface heat of the heat exchanger if the overall heat transfer co efficient is 24w/m°c

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