3. Pick out the wrong statement
o Turn over ratio of a chemical plant is the ratio of gross annual sales to the fixed capital investment
o Longer tubes are less expensive per unit heat transfer area as compared to shorter tubes
o A cost index is merely a number for a given year showing the cost at that time relative to a certain base year
o Plates with butt welded joints are less expensive compared to lap welded joints, because squaring of plates is not necessary
Ans: D
o Turn over ratio of a chemical plant is the ratio of gross annual sales to the fixed capital investment
o Longer tubes are less expensive per unit heat transfer area as compared to shorter tubes
o A cost index is merely a number for a given year showing the cost at that time relative to a certain base year
o Plates with butt welded joints are less expensive compared to lap welded joints, because squaring of plates is not necessary
Ans: D
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