A manufacturer is designing a product layout for a new product production. It plans to use a production line for 8 hours per day in order to meet forecasted demand of 250 units per day. The product requires 7 tasks in total. These tasks are namely, A, B, C, D, E, F, and G respectively. Task A does not have any predecessor to start. To start Task B, it requires Task A to be completed. Starting tasks C needs, the task B to be completed. Also, starting task D needed task B to be completed. Task E can only start upon completion of Task C. Whereas starting task F needs the completion of both the tasks D and E. Finally, starting task G needed, task F to be completed. The processing times for tasks, A, B, C, D, E, F, and G are 2.4, 2.2, 0.9, 1.0, 1.2, 1.8, are 1.5 minutes respectively. How many minimum numbers of workstations are needed? Round-up to the nearest integer a. 8 O b. None is the correct answer O c. 4 O d. 6

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
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A manufacturer is designing a product layout for a new product
production. It plans to use a production line for 8 hours per day in order
to meet forecasted demand of 250 units per day. The product requires 7
tasks in total. These tasks are namely, A, B, C, D, E, F, and G respectively.
Task A does not have any predecessor to start. To start Task B, it requires
Task A to be completed. Starting tasks C needs, the task B to be
completed. Also, starting task D needed task B to be completed. Task E
can only start upon completion of Task C. Whereas starting task F needs
the completion of both the tasks D and E. Finally, starting task G needed,
task F to be completed. The processing times for tasks, A, B, C, D, E, F,
and G are 2.4, 2.2, 0.9, 1.0, 1.2, 1.8, are 1.5 minutes respectively. How
many minimum numbers of workstations are needed? Round-up to the
nearest integer
a. 8
O b. None is the correct answer
O c. 4
O d. 6
Transcribed Image Text:A manufacturer is designing a product layout for a new product production. It plans to use a production line for 8 hours per day in order to meet forecasted demand of 250 units per day. The product requires 7 tasks in total. These tasks are namely, A, B, C, D, E, F, and G respectively. Task A does not have any predecessor to start. To start Task B, it requires Task A to be completed. Starting tasks C needs, the task B to be completed. Also, starting task D needed task B to be completed. Task E can only start upon completion of Task C. Whereas starting task F needs the completion of both the tasks D and E. Finally, starting task G needed, task F to be completed. The processing times for tasks, A, B, C, D, E, F, and G are 2.4, 2.2, 0.9, 1.0, 1.2, 1.8, are 1.5 minutes respectively. How many minimum numbers of workstations are needed? Round-up to the nearest integer a. 8 O b. None is the correct answer O c. 4 O d. 6
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