Chemical Engineering Plant Economics (MCQs)
Pick out the wrong statement.
- 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