4. Suppose that there are 17 tasks to be completed to assemble a product. Task times and the precedence relations are gi

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4 Suppose That There Are 17 Tasks To Be Completed To Assemble A Product Task Times And The Precedence Relations Are Gi 1 (137.68 KiB) Viewed 31 times

4. Suppose that there are 17 tasks to be completed to assemble a product. Task times and the precedence relations are given in below table. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 7 3 6 5 4 5 7 4. 3 3 2 Task Task Time (min.) Immediate Predecessor(s) 5 5 1 7 2 5 8,9 10,11 11 6 12 1 1 1 1 1 2,3 4 4,5 7 6 13, 14 15, 16 (a) Draw the precedence diagram for the given tasks. (b) What is the minimum theoretical number of workstations required if the cycle time is assumed to be 20 minutes? (c) Assuming a cycle time of 20 minutes, balance the line by the ranked positional weight method, and Show the workstations on the precedence diagram. Determine the idle time on each workstation. • Determine the layout of workstations (flow of material through the workstations) O