The following jobs are waiting to be processed at a small machine center: JOB DUE DATE...
The following jobs are waiting to be processed at a small machine center:
| JOB | DUE DATE | DURATION (DAYS) |
| 10 | 240 | 18 |
| 20 | 232 | 14 |
| 30 | 240 | 6 |
| 40 | 245 | 30 |
| 50 | 255 | 26 |
All dates are specified as manufacturing planning calendar days. Assume that all jobs arrived on day 200 (yesterday) in the order shown but are not scheduled to begin until day 201 (today).
a. Sequence the jobs according to LPT
According to the LPT rule, the sequence of jobs should be _______________________
b. What is the average completion (flow) time?
c. What is the average job lateness?
d. What is the average number of jobs in the system?
Homework Answers
a.
Sequence using LPT rule =>40-50-10-20-30
| Average flow time | 68.4 |
| Average job lateness | 29 |
| Average number of jobs in the system | 3.638297872 |
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The following jobs are waiting to be processed at a small
machine center:
JOB
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The following jobs are waiting to be processed at a small machine center: JOB DUE DATE...
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1
A
2
B
3
C
4
D
5
E
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decimal places).
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