Chemical Engineering Plant Economics
Optimum number of effects in a multiple effect evaporator is decided by the

Evaporation capacity required
Floor area availability
Terminal parameters
Cost benefit analysis

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Chemical Engineering Plant Economics
The depreciation during the year 'n', in diminishing balance method of depreciation calculation, is calculated by multiplying a fixed percentage 'N' to the

Depreciation during the (n - 1)th year
Difference between initial cost and salvage value
Book value at the end of (n - 1)th year
Initial cost

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