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.

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

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Chemical Engineering Plant Economics
Pick out the correct statement.

Difference between income and expense is termed as gross revenue
Scrap value is the net amount of money obtainable from the sale of used property over and above any charges involved in its removal & sale
Unamortised cost is the difference between the original cost of a property and all the depreciation charges made to dat
Sum-of-the-years-digits methods of depreciation calculation accounts for the interest on the investment

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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?

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

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