Chapter 1: Q8PE (page 41)
A diagram showing the activities that support a company’s strategy.
Activity-system map
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The home office billing department of a chain of department stores prepares monthly inventory reports for use by the stores’ purchasing agents. Given the following information, use the critical path method to determine:
a. How long the total process will take.
b. Which jobs can be delayed without delaying the early start of any subsequent activity?
Job and Description | Immediate Predecessors | Time (Hours) | |
A | Start | _ | 0 |
B | Get computer printouts of customer purchases | A | 10 |
C | Get stock records for the month | A | 20 |
D | Reconcile purchase printouts and stock records | B, C | 30 |
E | Total stock records by department | B, C | 20 |
F | Determine reorder quantities for coming period | E | 40 |
G | Prepare stock reports for purchasing agents | D,F | 20 |
H | Finish | G | 0 |
Match the following product types to the appropriate product development description.
Technology-push products A. Entail unusually large uncertainties about the technology or market. The development process takes steps to address those uncertainties.
Platform products B. A firm with a new proprietary technology seeks out a market where that technology can be applied.
Process-intensive products C. Uses a repeated prototyping cycle. Results from one cycle are used to modify priorities in the ensuing cycle.
High-risk products D. The production process has an impact on the product properties. Therefore, product design and process design cannot be separated.
Quick-build products E. Products are designed and built around a preexisting technological subsystem.
Schedule the following activities using CPM:
Activity | Immediate Predecessor | Time (Weeks) |
A | _ | 1 |
B | A | 4 |
C | A | 3 |
D | B | 2 |
E | C,D | 5 |
F | D | 2 |
G | F | 2 |
H | E,G | 3 |
The following activities are part of a project to be scheduled using CPM:
Activity | Immediate Predecessor | Time (Weeks) |
A | _ | 6 |
B | A | 3 |
C | A | 7 |
D | C | 2 |
E | B,D | 4 |
F | D | 3 |
G | E,F | 7 |
At first glance, the concepts of the focused factory and capacity flexibility may seem to contradict each other. Do they really?
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