The chief engineer in charge of refinery operations was not satisfied with the preliminary design for storage tanks to be used as part of a plant expansion program. The engineer who submitted the design was called in and asked to reconsider the overall dimensions of the light in the article in The Chemical Engineer, titled “How to Size Future Process Vessels.” The original design submitted called for 4 tanks 5.2 meters in diameter and 7.0 meters high. From a graph in the article, the engineer found that the present ratio of height to diameter of 1.35 was 111% of the minimum cost and that the minimum cost for a tank occurred when the ratio of height to diameter was 4 to 1. The cost for the tank design as originally submitted was estimated to be $28,000. What are the optimum tank dimensions if the volume remains the same as for the original design? What total savings may be expected through redesign? a. The chief engineer in charge of refinery operations was not satisfied with thepreliminary design for storage tanks to be used as part of a plant expansion program.The engineer who submitted the design was called in and asked to reconsider theoverall dimensions of the light in the article in The Chemical Engineer, titled "How toSize Future Process Vessels." The original design submitted called for 4 tanks 5.2 metersin diameter and 7.0 meters high. From a graph in the article, the engineer found thatthe present ratio of height to diameter of 1.35 was 111% of the minimum cost and thatthe minimum cost for a tank occurred when the ratio of height to diameter was 4 to 1.The cost for the tank design as originally submitted was estimated to be $28,000. Whatare the optimum tank dimensions if the volume remains the same as for the originaldesign? What total savings may be expected through redesign?

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Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

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The chief engineer in charge of refinery operations was not satisfied with the preliminary design for storage tanks to be used as part of a plant expansion program. The engineer who submitted the design was called in and asked to reconsider the overall dimensions of the light in the article in The Chemical Engineer, titled “How to Size Future Process Vessels.” The original design submitted called for 4 tanks 5.2 meters in diameter and 7.0 meters high. From a graph in the article, the engineer found that the present ratio of height to diameter of 1.35 was 111% of the minimum cost and that the minimum cost for a tank occurred when the ratio of height to diameter was 4 to 1. The cost for the tank design as originally submitted was estimated to be $28,000. What are the optimum tank dimensions if the volume remains the same as for the original design? What total savings may be expected through redesign?

a. The chief engineer in charge of refinery operations was not satisfied with the
preliminary design for storage tanks to be used as part of a plant expansion program.
The engineer who submitted the design was called in and asked to reconsider the
overall dimensions of the light in the article in The Chemical Engineer, titled "How to
Size Future Process Vessels." The original design submitted called for 4 tanks 5.2 meters
in diameter and 7.0 meters high. From a graph in the article, the engineer found that
the present ratio of height to diameter of 1.35 was 111% of the minimum cost and that
the minimum cost for a tank occurred when the ratio of height to diameter was 4 to 1.
The cost for the tank design as originally submitted was estimated to be $28,000. What
are the optimum tank dimensions if the volume remains the same as for the original
design? What total savings may be expected through redesign?

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