Question: ( A ). Departments A , B , C , and D need to be assigned to four rooms 1,2,3, and 4 . These rooms
( A ). Departments A,B,C, and D need to be assigned to four rooms 1,2,3, and 4 . These rooms are arranged in a row, in that order, with 20 meters between each. The departmental work flows are contained in the table below.
What is the material handling total of assigning A-1, B-2, C-3, D-4?
What is the material handling total of assigning A-1, B-3, C-4, D-2?
| Flow matrix | ||||
| Dept. A | Dept. B | Dept. C | Dept. D | |
| Dept. A | 0 | 30 | 5 | 20 |
| Dept. B | 5 | 0 | 40 | 20 |
| Dept. C | 0 | 10 | 0 | 40 |
| Dept. D | 10 | 5 | 0 | 0 |
(B). A firm operates a flow shop building kitchen cabinetry for recreational vehicles. The major activities of this process are listed below.
| Task | Duration (Hr) | Predecessors-1 | Predecessors-2 | Predecessors-4 |
| A | 4 | -- | ||
| B | 6 | -- | ||
| C | 2 | A | ||
| D | 6 | A | ||
| E | 3 | B | C | |
| F | 3 | B | C | |
| G | 5 | D | E | F |
| H | 1 | G |
1 . Draw the appropriate network for this project.
2 What would the cycle time be if the goal is to produce 20 units per month (the plant operates 160 hours per month)?
3. What is the minimum number of workstations needed?
4. Balance with the most following tasks heuristic. What tasks are assigned to which stations?
5. What is the efficiency of the line obtained in part d?
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