Operations and Supply Chain Management, 9th Edition WileyPLUS Registration Card + Loose-leaf Print Companion
Operations and Supply Chain Management, 9th Edition WileyPLUS Registration Card + Loose-leaf Print Companion
9th Edition
ISBN: 9781119371618
Author: Roberta S. Russell
Publisher: Wiley (WileyPLUS Products)
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Chapter 16, Problem 10P

In a large microelectronics plant, the assembly cell for circuit boards has a demand for 200 units an hour. Two feeder cells supply parts A and B (o the assembly cell (one A and one B for each board). Standard containers that look like divided trays are used. A container will hold 20 As or 10 Bs. It takes 10 minutes to fill up a container with As and 20 minutes to fill up a container with Bs. Transit time to the assembly cell is 5 minutes for both A and B. No safety factor is used. Set up a kanban control system for the assembly process.

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1) Under “Costs of Quality”, costs associated with quality can be classified into four categories: appraisal, prevention, internal failures, and external failures. The costs of quality for Corley Motors Logistics is given in the table.   Cost Elements Amount Checking outbound boxes for errors $31,000 Quality planning    $10,625 Downtime due to conveyor/computer problems $342,125 Incoming product inspection $21,000 Customer complaint rework $33,000  Correcting erroneous orders before shipping $36,550 Quality training of associates $25,925 Correction of typographical errors--pick tickets $11,475   a) Classify the quality cost elements given in the table into the different quality cost categories (prevention, appraisal, internal failure, external failure). b) Total the quality costs in each of the different quality cost categories (prevention, appraisal, internal failure, external failure). c) Using a) and b), suggest which areas…
Note: In chapter 9, section 9.4 of the Stevenson text, the costs of quality are covered; chapter 9 Stevenson lecture power point slide 7 touches upon this topic; see lecture video, 3.55 mins to 4.54 mins.   2) The production process at Hansa Ceylon Coffee fills boxes with dark arabica coffee. The data for the fill weight (in ounces) of eight samples are presented below. A sample size of six was used. The firm’s operations analyst wants to construct X-bar and R-charts to monitor the filling process.   Sample Sample Mean Sample Range 1 15.80 0.42 2 16.10 0.38 3 16.02 0.08 4 15.95 0.15 5 16.12 0.42 6 16.18 0.23 7 15.87 0.36 8 16.20 0.40   a) Calculate the upper and lower control limits for the X-bar chart. b) Calculate the upper and lower control limits for the R chart. c) Is the process under control? Why or why not?   Note: In chapter 10, section 10.3 of the Stevenson text, control charts for variables are…
Do the inherent differences between private and public sector objectives—profit versus publicgood—render private sector category management practices unsuitable for public sectorpurchasing, where open tendering is the norm?You have now undergone the Category Management classes and your superiors have requestedfor your input on how to integrate some of the learnings into the public sector policy. Discuss and elaborate what are the activities and governance you would introduce in yourrecommendations without violating the principle of transparency and accountability withinyour organisation. This is based on Singapore context. Pls provide a draft with explanation, examples and useful links for learning purposes. Citations will be good too. This is a module in SUSS called category management and supplier evaluation
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