Chemical Engineering Plant Economics
'Utilities' in a chemical process plant includes compressed air, steam, water, electrical power, oxygen, acetylene, fuel gases etc. Utility costs for ordinary chemical process plants ranges roughly from __________ percent of the total product cost.

25 to 35
1 to 5
10 to 20
35 to 45

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Chemical Engineering Plant Economics
Depreciation

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

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