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Chapter 2: 20Q (page 160)
Question: The customer order decoupling point determines the position of what in the supply chain?
Answer
The consumer order decoupling point determines the inventory position in the supply chain.
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An initial solution has been given to the following work center layout problem. Given the flows described and a cost of $2.00 per unit per foot, compute the total cost for the layout. Each location is 100 feet long and 50 feet wide as shown in the following figure. Use the centers of departments for distances and measure distance using metropolitan rectilinear distance.
Question: The Sun River beverage company is a regional producer of teas, exotic juices, and energy drinks. With an interest in healthier lifestyles, there has been an increase in demand for its sugar-free formulation. The final packing operation requires 13 tasks. Sun River bottles its sugar-free product 5 hours a day, 5 days a week. Each week, there is a demand for 3,000 bottles of this product each week. Using the data below, solve the assembly-line balancing problem and calculate the efficiency of your solution, assuming the line runs at the cycle time required to meet demand. Use the longest task time for your decision criteria. Use the largest number of following tasks as a secondary criterion.
Task | Performance Time (Minutes) | Task Must Follow |
1 | 0.1 | - |
2 | 0.1 | 1 |
3 | 0.1 | 2 |
4 | 0.2 | 2 |
5 | 0.1 | 2 |
6 | 0.2 | 3,4,5 |
7 | 0.1 | 1 |
8 | 0.15 | 7 |
9 | 0.3 | 8 |
10 | 0.5 | 9 |
11 | 0.2 | 6 |
12 | 0.2 | 10,11 |
13 | 0.1 | 12 |
鈥淚f line employees are required to work on quality improvement activities, their productivity will suffer.鈥� Discuss.
Question:Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number of defectives in each are shown in the following table:
Sample | n | Number Of Defective Items In The Sample | Sample | n | Number Of Defective Items In The Sample |
1 | 15 | 3 | 6 | 15 | 2 |
2 | 15 | 1 | 7 | 15 | 0 |
3 | 15 | 0 | 8 | 15 | 3 |
4 | 15 | 0 | 9 | 15 | 1 |
5 | 15 | 0 | 10 | 15 | 0 |
a. Develop a p-chart for 95 percent confidence (1.96 standard deviations).
b. Based on the plotted data points, what comments can you make?
Question: Calculate the average customer arrival rate and service rate per hour.
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