311_spring09_exam_1_TTh_solution - Name(please print...

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Name: (please print) Section: ___________________________________ Midterm I BUAD311 – Operations Management Professor Ward Spring 2009 This exam is comprised of ten pages, including this page. The exam is scheduled for 1 hour 50 minutes. There is a total of 100 points on the quiz. This is an open-book, open-notes exam. You may use a simple calculator. No laptops. No PDAs. Show your work. If I cannot tell how you arrived at an answer, you will not receive full credit. An answer with no justification may receive no credit. You must read and sign the following pledge. If you do not read and sign the pledge, your exam may be treated as if you did not turn it in. Honor Code: I pledge my honor that I have not violated the Honor Code during this examination.” X__________________________
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Preliminary Question: [4 points; no partial credit] Write your Littlefield personal code: ___________________________________ Section A: Multiple Choices [4 points each; no partial credit] For question 1: The above graph shows the production process flow for HappyDoll and CryingDoll. Station D and E are flexible and can handle either product. No matter the type of the product, station D can finish 90 units per day and station E can finish 100 units per day. Station A works only for HappyDoll and have a capacity of 60 units per day. Station B and C are only for CryingDoll and have capacity of 80 and 70 units per day, respectively. The demands for both products are 50 units per day. The capacities (units/day) of the machines are marked in the graph. 1. [Answer: d] Which station is the bottleneck? a) A b) B c) C d) D e) E 2. [Answer: b] Consider the statements: I: Given the throughput rate, if we decrease work-in-process, throughput time will decrease. II: Given the throughput time, if we increase WIP, throughput rate will increase. III: Given the WIP, if we increase throughput rate, throughput time will increase. Which of the following statements is true? a) I only is true. b) I and II are true. c) II only is true. d) II and III are true. B: 80 A: 60 D: 90 C: 70 E: 100
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e) III only is true. 3. [Answer: e] Recall Timeshare Resort Exchange (TRE) case. After you presented your analysis, TRE management decided to implement your “base case” analysis; that is, to assign resorts to owners they solved the following LP stated in words. Maximize the total number of owners who received any of their choices Subject to: We cannot assign more of any 1 resort and season than are submitted.
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