Chemical Engineering Plant Economics
Depreciation

Does figure in the calculation of income tax liability on cash flows from an investment
All of these
Is the unavoidable loss in the value of the plant, equipment and materials with lapse in time
Costs (on annual basis) are constant when the straight line method is used for its determination

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Chemical Engineering Plant Economics
Chemical engineering plant cost index is used for finding the present cost of a particular chemical plant, if the cost of similar plant at some time in the past is known. The present cost of the plant = original cost x (index value/(index value at original cost was obtained)The most major component of this cost index is

Fabricated equipment and machinery
Process instruments and control
Electrical equipments and material
Pumps and compressor

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