Chemical Engineering Plant Economics - Section 1 (4)

'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.

Fixed charges for a chemical plant does not include the

Most chemical plants use an initial working capital amounting to 10-20% of the total capital investment. But this percentage may increase to __________ percent in case of seasonal products manufacturing plant.

Which of the following is the costliest material of construction used in pressure vessel construction ?

The inventory of raw materials included in the working capital is usually about __________ months supply of raw materials valued at delivery prices.

Scheduling provides information about the

The depreciation during the year 'n', in diminishing balance method of depreciation calculation, is calculated by multiplying a fixed percentage 'N' to the

Gross earning is equal to the total income minus