Chemical Engineering Plant Economics
Expenditure on research and development (R & D) is categorised as the __________ , while making an estimate of the total product cost for a chemical plant.

General expenses
Fixed expenses
Overhead cost
Direct production cost

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Chemical Engineering Plant Economics
Payback period

Is affected by the variation in earnings after the recovery of the investment
Is the length of time over which the earnings on a project equals the investment
And economic life of a project are the same
All of these

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Chemical Engineering Plant Economics
In declining balance method of depreciation calculation, the

None of these
Value of the asset decreases linearly with time
Annual cost of depreciation is same every year
Annual depreciation is the fixed percentage of the property value at the beginning of the particular year

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