Question: Marks) Q.3 Set. (C) A countercurrent cooling tower is used to cool water from 45C to 30C with a dry bulb temperature of 25C and

Marks) Q.3 Set. (C) A countercurrent cooling tower is used to

Marks) Q.3 Set. (C) A countercurrent cooling tower is used to cool water from 45C to 30C with a dry bulb temperature of 25C and wet bulb temperature of 20C. The rate of water is 5600kg/m3h and the air rate is 1.2 times the minimum. Find the height of tower if kya is 5750kg/m3h(y ) and hLa is 0.07L05Gskcal/m3.h.K (on dry basis). (10 Marks) Q.4 Set. (A) 800kg of crushed palm seeds with 18% oil content is to be extracted in a two-stage cross current unit using 700kg hexane in each stage. Calculate the fraction of oil that can he extracted by Ponchon Savarit diagram. (10 Marks)

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