6-64. (Job shop scheduling) Three jobs, J1, J2, and J3, are processed on three machines, M1, M2, and M3, according to the following sequences (processing times are shown in parentheses): J1: M3(3) J2: M2(1) - - - M1(4) – M2(6) - M3(5) – M2(9) - - J3: M3(8) – M2(8) – M1(7) The order in which the jobs are processed on the different machines is predetermined as: M1: J1 J2 J3 - - M2: J2 J3 - J1 - M3: J3 J1 J2 - - a. Represent the problem as a CPM network for which the critical path determines the make span of all three jobs. b. Use the critical path calculations to develop the scheduling of the jobs (Gantt chart), assuming that each operation is scheduled at its earliest start time.

6-64. (Job shop scheduling) Three jobs, J1, J2, and J3, are processed on three machines, M1, M2, and M3, according to the following sequences (processing times are shown in parentheses): J1: M3(3) J2: M2(1) - - - M1(4) – M2(6) - M3(5) – M2(9) - - J3: M3(8) – M2(8) – M1(7) The order in which the jobs are processed on the different machines is predetermined as: M1: J1 J2 J3 - - M2: J2 J3 - J1 - M3: J3 J1 J2 - - a. Represent the problem as a CPM network for which the critical path determines the make span of all three jobs. b. Use the critical path calculations to develop the scheduling of the jobs (Gantt chart), assuming that each operation is scheduled at its earliest start time.

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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