A. Longer tubes are less expensive per unit heat transfer area as compared to shorter tubes.
B. A cost index is merely a number for a given year showing the cost at that time relative to a certain base year.
C. Turn over ratio of a chemical plant is the ratio of gross annual sales to the fixed capital investment.
D. Plates with butt welded joints are less expensive compared to lap welded joints, because squaring of plates is not necessary.
Correct Answer
Plates with butt welded joints are less expensive compared to lap welded joints, because squaring of plates is not necessary.
Chemical Engineering Plant Economics problems
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1. The depreciation during the year 'n', in diminishing balance method of depreciation calculation, is calculated by multiplying a fixed percentage 'N' to the
Options
A. initial cost.
B. book value at the end of (n - 1)th year,
C. depreciation during the (n - 1)th year.
D. difference between initial cost and salvage value.
5. A machine has an initial value of Rs. 5000, service life of 5 years and final salvage value of Rs. 1000. The annual depreciation cost by straight line method is Rs.
A. Debt-equity ratio of a chemical company describes the lenders contribution for each rupee of owner's contribution i.e., debt-equity ratio = total debt/net worth.
B. Return on investment (ROI) is the ratio of profit before interest & tax and capital employed (i.e. net worth + total debt).
C. Working capital = current assets + current liability.
D. Turn over = opening stock + production closing stock.
Correct Answer: Working capital = current assets + current liability.
7. The inventory of raw materials included in the working capital is usually about __________ months supply of raw materials valued at delivery prices.