A local toy manufacturer is using a production line that runs 8 hours per day and produces a toy that requires a total of 7 tasks to be performed . The daily demand is 120 toys. Times of the tasks are 2.73,2.01 1, 2.13, 2.0, 2.61, 2.71 , and 2.95 minutes for A ,B,C,D,E,F, , and G, respectively . However, due to the nature of product there are precedence rules that must be observed . Such that Task A does not need any predecessors ; task B requires task be completed. To start task C and task D, each require task B to be completed . Task C must be completed prior to stating task E. Task F needs both task D and task Eto be completed . Finally, task G can start only once task F is completed . What is the minimum number of workstations needed? a. 4 b. 5 c. 6 d. None of them e. 8

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter4: Linear Programming Models
Section: Chapter Questions
Problem 111P
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A local toy manufacturer is using a production line that runs 8 hours per day and produces a toy that requires a total of 7 tasks to be performed . The daily demand is 120 toys. Times of the tasks are 2.73,2.01 1, 2.13, 2.0, 2.61, 2.71 , and 2.95 minutes for A ,B,C,D,E,F, , and G, respectively . However, due to the nature of product there are precedence rules that must be observed . Such that Task A does not need any predecessors ; task B requires task be completed. To start task C and task D, each require task B to be completed . Task C must be completed prior to stating task E. Task F needs both task D and task Eto be completed . Finally, task G can start only once task F is completed . What is the minimum number of workstations needed? a. 4 b. 5 c. 6 d. None of them e. 8
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ISBN:
9781337406659
Author:
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Cengage,