Question: B- if the purchased cost capacity exponent for this type of heat exchanger is 0.81 for surface area ranging from 400 to 2000 ft. what

B- if the purchased cost capacity exponent for this type of heat exchanger is 0.81 for surface area ranging from 400 to 2000 ft". what will be the purchased cost of a heat exchanger with 1000 ft of heating surface in 1985 cost index (process industry) in 1985 = 813 1980= 675 (25 mark)
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