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Study Guide - Operations Scheduling Solutions

# Study Guide - Operations Scheduling Solutions - Study Guide...

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Study Guide -- Operations Scheduling Solutions Question 1: Suresh Gupta  now faces an operations sequencing problem in his shop. He has five jobs  that require his time. The table below contains information about five jobs waiting for  Suresh's attention. JOB Processing Time (days) Due Date A 15 40 B 14 36 C 20 44 D 25 28 E 22 42 a) Develop a Shortest Processing Time (SPT) sequence for Suresh, and calculate job  completion flow times, and tardiness. Sequence No. Job Duration Job Flow Time Due Date Tardiness 1 B 14 14 36 0 2 A 15 29 40 0 3 C 20 49 44 5 4 E 22 71 42 29 5 D 25 96 28 68 Total 259 102 Average Flow Time per Job =  259/5 = 51.8 days/job Makespan =  96 days Average No. of Jobs in the System =  259/96 = 2.698 jobs No. of Jobs Tardy =  3 jobs Average Tardiness per Job =  102/5 = 20.4 days/job

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BK, 2/5 b) Develop an Earliest Due Date (EDD) sequence for Suresh, and calculate job  completion flow time, and tardiness.
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