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Author Question: Use Johnson's rule to determine the optimal sequencing for the five jobs to be processed on two ... (Read 68 times)

soccerdreamer_17

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on: Dec 3, 2019

Question 1

At Morgan's Transformer Rebuilding, five jobs are ready now for dispatching to a machine centre. The processing times and due dates for the jobs are given below. Use earliest due date to sequence the jobs, and calculate the average completion time, the average job lateness, and the average number of jobs in the machine centre.

JobWork Time (days)Due Date (days)
A1538
B1328
C720
D1850
E915


Question 2

Use Johnson's rule to determine the optimal sequencing for the five jobs to be processed on two machines in a fixed order (Machine 1 before Machine 2). The processing times are given in the table below.

a. What is the optimal sequence?
b. What is the total flow time for this sequence?

JobMachine 1Machine 2
L1011
M817
N149
O137
P108
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Marked as best answer by soccerdreamer_17 on Dec 3, 2019

mk6555

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Reply #1 on: Dec 3, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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soccerdreamer_17

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Reply 2 on: Dec 3, 2019
YES! Correct, THANKS for helping me on my review

jackie

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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