Chemical Engineering Plant Economics
In an ordinary chemical plant, electrical installation cost may be about

Either A or B
Neither A nor B
3-10% of fixed capital investment
10-15% of purchased equipment cost

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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

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

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