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Unformatted text preview: ton. Annual maintenance charges are 5 percent of the initial equipment cost. The unit will operate 300 days per year. If the metric tons of water evaporated per metric ton of steam equal 0.85 X 2 , where X is the number of effects, determine the optimum number of effects for minimum annual total cost. t-\ , , ~ w ~ J '-------I-" yS ~ ~---: ~ JLt . ~ J ( \ Ie . c b < 3 ( '1 '-\ 6, \ \ b ) )-----x'"'...
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- Spring '11