311Midterm_I Solution

311Midterm_I Solution - Name_ Student ID_ Section_ BUAD-311...

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Name______________________________ Student ID______________________________ Section_____________________________ BUAD-311 Operations Management Mid-term Exam I Fall 2007 Open Book, Open Notes, No Lap Tops State all your assumptions clearly Make sure that you have 6 pages (Including the cover page) Good Luck VERSION A 1
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Section A: Multiple Choices [4 pts each] 1. Comparing make-to-order systems and make-to-stock systems, which of the following statement is false? a) Make-to-order systems are more responsive to the customer’s needs. b) Make-to-order systems have less inventory spoilage. c) Make-to-stock systems can fulfill customer demand in a shorter waiting time. d) Make-to-stock systems can have a higher annual utilization rate for seasonal items. e) None of the above. e) 2. Which of the following will not reduce the patient’s waiting time in a clinic. a) Make appointments b) Hire more full-time doctors/nurses c) Hire more part-time doctors/nurses during the rush hours d) Build excess inventory on medical supplies e) None of the above d) 3. A company has five machines and two products. Product X will be processed on Machine A, and then D, then E. Product Y will be processed on Machine B, then C, then D, then E. The demands for both products are 50 units per week. The capacities (units/week) of the machines are marked in the graph on the right. Which machine is the bottleneck? a) A b) B c) C d) D e) E d) 4. Which of the following is not one of the advantages of flexible manufactories? a) Higher utilization rate b) Higher responsiveness in changing demand c) Lower training cost d) Equipment last longer e) None of the above c) 2 B: 80 A: 60 D: 90 C: 70 E: 10
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5. Given the feasible region as the shaded area in the following graph and the objective function maximizing (x – y), which of the following statement is true? a) x = -1 and y = 4 is a feasible solution. b) x – 3y >= 0 is one of the constraints. c)
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311Midterm_I Solution - Name_ Student ID_ Section_ BUAD-311...

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