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

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

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Chemical Engineering Plant Economics
Fixed capital investment of a chemical plant is the total amount of money needed to supply the necessary plant and manufacturing facilities plus the working capital for operation of the facilities. Which of the following components of fixed capital investment requires minimum percentage of it?

Cost for piping
Electrical installation cost
Equipment installation cost
Equipment insulation cost

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