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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
3-Step Process with ReworkConsider the following three-step assembly operation with qualityproblems. All resources are staffed by one employee.The first resource has a processing time of 7 minutes per unit.The second resource has a processing time of 6 minutes per unit.The third resource has a processing time of 5 minutes per unit. With a40% probability, the flow unit coming out of the third resource has tobe reworked. In that case, the operations at the second and thirdresources are repeated. You can assume that (a) rework alwayssucceeds (i.e. a unit going through the rework loop will always workafter the third resource),and (b) the processing times for units in rework are the same as for regular units.
1)For every unit of demand, how many units have to flow through thesecond step in the process?
3-Step Process with ReworkConsider the following three-step assembly operation with qualityproblems. All resources are staffed by one employee.The first resource has a processing time of 7 minutes per unit.The second resource has a processing time of 6 minutes per unit.The third resource has a processing time of 5 minutes per unit. With a40% probability, the flow unit coming out of the third resource has tobe reworked. In that case, the operations at the second and thirdresources are repeated. You can assume that (a) rework alwayssucceeds (i.e. a unit going through the rework loop will always workafter the third resource),and (b) the processing times for units inrework are the same as for regular units.
Where in the process is the bottleneck?options := Step 1/Step 2/Step 3
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